Benchmark file generated by bmgpxbmgpx by Ron Parkerbmgpx@parkrrrr.comJS464829 WFMhttp://www.geocaching.com/mark/details.asp?PID=JS464829 WFMGeocacheGeocache29 WFMUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>29 WFM</h1> <b> PID </b> JS4648 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> OMO RANCH (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 30 05.68580(N) 120 30 11.40354(W) ADJUSTED <br> <b> NAVD 88 </b> 1277.06 (+/-2cm) 4189.8 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 14.27 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -26.34 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 593,755.842 2</td><td>130,559.646</td><td> MT </td><td>0.99996610</td><td> +0 ' 56 37.3"</td></tr><tr><td>SPC CA 2 </td><td>1,948,013.96 6</td><td>990,011.11 </td><td> sFT </td><td>0.99996610</td><td> +0 ' 56 37.3"</td></tr><tr><td>SPC CA 3 </td><td> 722,147.046 1</td><td>999,723.679</td><td> MT </td><td>1.00001491</td><td> -0 ' 00 07.0"</td></tr><tr><td>SPC CA 3 </td><td>2,369,244.10 6</td><td>560,760.10 </td><td> sFT </td><td>1.00001491</td><td> -0 ' 00 07.0"</td></tr><tr><td>UTM 10 </td><td>4,264,423.100 </td><td>717,729.372</td><td> MT </td><td>1.00018384</td><td> +1 ' 33 17.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99980379 x 0.99996610 = 0.99976990 <br> <b>SPC CA 3 </b> 0.99980379 x 1.00001491 = 0.99981870 <br> <b>UTM 10 </b> 0.99980379 x 1.00018384 = 0.99998760 <br> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CS7600</td><td>29 WFM RM 1 </td><td> 16.127 METERS</td><td>095° 05' </td></tr><tr><td>CS7601</td><td>29 WFM RM 2 </td><td> 14.454 METERS</td><td>181° 25' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 30 05.64128(N) 120 30 11.31884(W) AD(1984.00) 3 <br> NGVD 29 (09/12/91) 1276.14 (m) 4186.8 (f) LEVELING 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH1772964423(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL <br>WITH SETTING: INFORMATION. <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1946 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1946 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1949 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1946 LOCATED ABOUT 13.0 MI NE. OF PINE GROVE. ON HIGH PARTIALLY TIMBERED HILL JUST N. OF STATE HWY. 88. <p>STATION MARK--STANDARD TABLET STAMPED---WFM 29 4187 1946---, WELDED TO TOP OF 3-INCH IRON PIPE PROJECTING ABOUT 4 INCHES. <p>RM 1--STANDARD RM TABLET STAMPED---NO 1---, WELDED TO TOP OF 3-INCH IRON PIPE ALONG FENCE LINE AT EDGE OF WOODS. <p>RM 2--STANDARD RM TABLET STAMPED---NO 2---, WELDED TO TOP OF 3-INCH IRON PIPE. <p> <h2>STATION RECOVERY (1946) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1946 NO TEXT. <p> <h2>STATION RECOVERY (1949) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1949 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. RMS NOT OBSERVED. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. NEW TO REACH FOLLOWS--TO REACH FROM LUMBERYARD RANGER STATION DRIVE 13.1 MI SW. ON STATE HWY. 88 TO DIRT DRIVEWAY ON RIGHT (W.). TURN RIGHT 0.2 MI TO HOUSE ON TOP OF HILL AND END OF DRIVE. <p>OCCUPIED FOR HORIZONTAL SCALING CONTROL ONLY. JS0434A 217http://www.geocaching.com/mark/details.asp?PID=JS0434A 217GeocacheGeocacheA 217CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 217</h1> <b> PID </b> JS0434 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 15 03. (N) 120 43 07. (W) SCALED <br> <b> NAVD 88 </b> 299.69 (+/-2cm) 983.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.04 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 565,640. </td><td> 2,112,160. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 298.918 (m) 980.70 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH996361(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: A 217 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 3.8 MI S FROM MOKELUMNE HILL. 3.8 MILES SOUTH ALONG STATE HIGHWAY 49 FROM THE CHURCH AT MOKELUMNE HILL, CALAVERAS COUNTY, ABOUT 100 YARDS NORTH OF THE FOOT OF A LONG HILL, 76 YARDS NORTH OF THE NORTH END OF A 30-FOOT CONCRETE CULVERT, AT THE JUNCTION OF A PRIVATE ROAD LEADING SOUTHWEST, 35 FEET NORTH OF THE CENTERLINE OF THE ROAD, 27 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, AND 15 FEET NORTH OF A 4-FOOT PINE TREE. A STANDARD DISK, STAMPED A 217 1935 AND SET IN THE TOP OF A CONCRETE POST. JS4036BUENA VISTA RESEThttp://www.geocaching.com/mark/details.asp?PID=JS4036BUENA VISTA RESETGeocacheGeocacheBUENA VISTA RESETCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BUENA VISTA RESET</h1> <b> PID </b> JS4036 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 16 11.21080(N) 120 54 51.95017(W) ADJUSTED <br> <b> NAVD 88 </b> 257.7 (meters) 845. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.17 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -29.85 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 567,517.755 2</td><td>094,997.041</td><td> MT </td><td>1.00001502</td><td> +0 ' 41 03.9"</td></tr><tr><td>SPC CA 2 </td><td>1,861,931.17 6</td><td>873,336.13 </td><td> sFT </td><td>1.00001502</td><td> +0 ' 41 03.9"</td></tr><tr><td>SPC CA 3 </td><td> 696,497.044 1</td><td>963,734.498</td><td> MT </td><td>0.99997008</td><td> -0 ' 15 13.4"</td></tr><tr><td>SPC CA 3 </td><td>2,285,090.72 6</td><td>442,685.60 </td><td> sFT </td><td>0.99997008</td><td> -0 ' 15 13.4"</td></tr><tr><td>UTM 10 </td><td>4,237,805.551 </td><td>682,444.065</td><td> MT </td><td>1.00000995</td><td> +1 ' 17 31.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99996425 x 1.00001502 = 0.99997927 <br> <b>SPC CA 3 </b> 0.99996425 x 0.99997008 = 0.99993433 <br> <b>UTM 10 </b> 0.99996425 x 1.00000995 = 0.99997420 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> BUENA VISTA AZ MK </td><td>273° 35' 20.0"</td></tr><tr><td>SPC CA 3 </td><td> BUENA VISTA AZ MK </td><td>274° 31' 37.3"</td></tr><tr><td>UTM 10 </td><td> BUENA VISTA AZ MK </td><td>272° 58' 52.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS4032</td><td>MARTELL WINTON LUMBER CO TANK </td><td>APPROX.14.9 KM</td><td>041° 38' 55.6"</td></tr><tr><td>JS4033</td><td>JACKSON ARGONAUT MINE TANK </td><td>APPROX.15.2 KM</td><td>046° 51' 58.6"</td></tr><tr><td>JS4039</td><td>BUENA VISTA RM 1 </td><td> 11.124 METERS</td><td>067° 34' </td></tr><tr><td>DA8830</td><td>BUENA VISTA RM 2 </td><td> 8.330 METERS</td><td>086° 25' </td></tr><tr><td>JS4023</td><td>CAMP PARDEE WATER TANK </td><td>APPROX. 6.7 KM</td><td>112° 18' 01.1"</td></tr><tr><td>DA8831</td><td>BUENA VISTA RM 2 </td><td> 4.090 METERS</td><td>136° 22' </td></tr><tr><td>JS4022</td><td>VALLEY SPRINGS PEAK LOT </td><td>APPROX. 9.6 KM</td><td>137° 17' 19.8"</td></tr><tr><td>DA8828</td><td>BUENA VISTA AZ MK </td><td> </td><td>274° 16' 23.9"</td></tr><tr><td>DA8829</td><td>BUENA VISTA RM 1 </td><td> 11.110 METERS</td><td>340° 26' </td></tr><tr><td>JS4037</td><td>IONE PRESTON SCH OF INDUST CUP </td><td>APPROX.10.3 KM</td><td>349° 03' 50.2"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 16 11.19802(N) 120 54 51.94956(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 16 11.49800(N) 120 54 48.16500(W) AD( ) 2 <br> NGVD 29 (07/19/86) 257.0 (m) 843. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH8244437806(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1972 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 (LSB) THE STATION IS LOCATED ABOUT 21 MILES (AIR LINE) NORTHEAST OF LODI, 21 MILES EAST OF GALT, 6 MILES SOUTH OF IONE, AND 2 MILES SOUTH OF BUENA VISTA. IT IS ON THE HIGHEST POINT OF THE NORTHERNMOST AND HIGHEST ONE OF THE BUENA VISTA BUTTES. <p>TO REACH THE STATION FROM THE CROSSROADS IN BUENA VISTA GO SOUTH ON AN OILED ROAD FOR 0.5 MILE TO A FORK AT THE SOUTH END OF A BRIDGE. TAKE THE RIGHT FORK (SOUTH) AND GO 0.75 MILE TO A FORK AND CATTLE GUARD ON THE RIGHT AT A COAL MINE. TAKE THE RIGHT FORK (WEST) AND GO 0.05 MILE (KEEPING TO THE LEFT OF BUILDINGS) TO A GATE ON THE LEFT. PASS THROUGH THE GATE AND GO 0.1 MILE TO A TRACK ROAD RIGHT. TURN RIGHT (SOUTHWESTERLY) AND GO 0.6 MILE. (CONTINUE AHEAD FOR 0.2 MILE TO THE AZIMUTH MARK ON THE RIGHT.) TURN LEFT (WITH FOUR-WHEEL DRIVE) AND PICK YOUR WAY UP THE RIDGE FOR 0.1 MILE TO A SADDLE AND THE END OF TRUCK TRAVEL. PACK UP THE STEEP SLOPE (EAST) TO THE HIGHEST POINT AND STATION. THIS IS A 10-MINUTE PACK. <p>THE STATION MARK, A STANDARD DISK STAMPED BUENA VISTA USGS 1954, IS SET IN THE DRILL HOLE IN OUTCROPPING BEDROCK THAT WAS USED BY THE U.S. GEOLOGICAL SURVEY FOR THEIR STATION MARK. IT IS ON THE WEST EDGE OF THE BUTTE. <p>REFERENCE MARK 1, A STANDARD DISK STAMPED BUENA VISTA USGS NO 1 1954, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 24 INCHES ABOVE THE GROUND. IT IS ABOUT 64 INCHES LOWER THAN THE STATION MARK. <p>REFERENCE MARK 2, A STANDARD DISK STAMPED BUENA VISTA USGS NO 2 1954, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 4 INCHES ABOVE THE GROUND. IT IS ABOUT 10 INCHES HIGHER THAN THE STATION. <p>REFERENCE MARK 1 (USGS), A U.S. GEOLOGICAL SURVEY DISK STAMPED NO 1, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 6 INCHES ABOVE THE GROUND. IT IS ABOUT 14 INCHES HIGHER THAN THE STATION. <p>REFERENCE MARK 2 (USGS), A U.S. GEOLOGICAL SURVEY DISK STAMPED NO 2, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 3 INCHES ABOVE THE GROUND. IT IS ABOUT THE SAME ELEVATION AS THE STATION. <p>THE AZIMUTH MARK, A STANDARD DISK STAMPED BUENA VISTA USGS 1954, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS 100 FEET NORTHWEST OF A TRACK ROAD, 22 FEET EAST OF A FENCE LINE, AND 8 FEET EAST OF A WHITE WITNESS POST. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (LFS) THE AZIMUTH MARK AND REFERENCE MARKS 2, 1 (USGS) AND 2 (USGS) WERE RECOVERED IN GOOD CONDITION. REFERENCE MARK 1 WAS FOUND SOLID IN THE ROCK IT WAS IN BUT THE CONCRETE WAS BROKEN AWAY FROM AROUND THE DISK SO IT WAS REINFORCED WITH CONCRETE ON THIS DATE. THE STATION MARK DISK WAS FOUND TO HAVE BEEN BROKEN OUT OF THE ROCK IT WAS IN BUT THE STEM WAS STILL IN PLACE. THE POINT WAS HELD, THE STEM WAS REMOVED, THE HOLE DEEPENED, AND A NEW STATION MARK DISK WAS SET IN THE SAME EXACT POSITION ON THIS DATE. THE DISTANCES AND DIRECTIONS TO THE REFERENCE MARKS MEASURED ON THIS DATE AGREED WITH THE 1954 MEASUREMENTS. THE 1954 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>TO REACH THE STATION FROM THE CROSSROAD IN THE CENTER OF THE VILLAGE OF BUENA VISTA GO SOUTH ON LANCHA PLANA-BUENA VISTA ROAD 0.5 MILE TO A FORK AT THE SOUTH END OF A BRIDGE. TAKE THE RIGHT FORK AND GO SOUTH ON COAL MINE ROAD 0.65 MILE TO A SIDE ROAD ON THE LEFT ACROSS FROM SOME BUILDINGS OF INTERPACE CORPORATION. TURN LEFT ONTO A GRAVELED ROAD AND GO SOUTH AND SOUTHWEST 0.6 MILE TO A GATE ON THE LEFT JUST NORTH OF A 6-FOOT CORRUGATE METAL PIPE CULVERT. (CONTINUE SOUTH ON THE GRAVELED ROAD 0.15 MILE TO THE AZIMUTH MARK ON THE RIGHT.) TURN LEFT, PASS THROUGH THE GATE AND WITH A 4-WHEEL DRIVE VEHICLE GO EAST UP A STEEP, GRADED ROAD 0.25 MILE TO THE TOP OF THE GRADE. CONTINUE ON THE GRADED ROAD SOUTHEAST AND SOUTH 0.3 MILE TO A SADDLE. PACK NORTH UP A ROCKY RIDGE 0.15 MILE TO THE HIGHEST POINT AND THE STATION SITE. PACKING TIME--ABOUT 10 MINUTES. <p>THE STATION MARK SET ON THIS DATE IS A USGS ALUMINUM DISK STAMPED BUENA VISTA 1954 1972 CEMENTED IN A DRILL HOLE IN THE TOP OF A 5-FOOT-WIDE LEDGE OF OUTCROPPING BEDROCK ON THE WEST SIDE OF THE TOP OF THE BUTTE AND IS 4.6 FEET SOUTHWEST OF AND ABOUT 4 FEET LOWER THAN THE HIGHEST POINT OF ROCK ON THE BUTTE. <p>THE AZIMUTH MARK IS A C AND GS AZIMUTH MARK DISK STAMPED BUENA VISTA USGS 1954 CEMENTED IN A DRILL HOLE IN A LEDGE OF OUTCROPPING BEDROCK PROJECTING ABOUT 9 FEET ABOVE THE GROUND ON THE NORTH SIDE AND FLUSH WITH THE GROUND ON THE SOUTH SIDE AND IS ABOUT 200 FEET WEST OF THE CENTERLINE OF THE ROAD, 22 FEET EAST OF A FENCE LINE AND ABOUT THE SAME ELEVATION AS THE ROAD. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--6 MILES SOUTH OF IONE JS4160CARBONDALEhttp://www.geocaching.com/mark/details.asp?PID=JS4160CARBONDALEGeocacheGeocacheCARBONDALECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CARBONDALE</h1> <b> PID </b> JS4160 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CARBONDALE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1994)</b> 38 27 38.00789(N) 121 01 27.58952(W) ADJUSTED <br> <b> NAVD 88 </b> 116.7 (meters) 383. (feet) VERTCON <br> <hr> <b> LAPLACE CORR</b> 5.26 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -29.59 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1998. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 588,584.221 2</td><td>085,152.863</td><td> MT </td><td>0.99997358</td><td> +0 ' 36 54.5"</td></tr><tr><td>SPC CA 2 </td><td>1,931,046.73 6</td><td>841,039.02 </td><td> sFT </td><td>0.99997358</td><td> +0 ' 36 54.5"</td></tr><tr><td>UTM 10 </td><td>4,258,765.746 </td><td>672,375.901</td><td> MT </td><td>0.99996593</td><td> +1 ' 13 44.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99998633 x 0.99997358 = 0.99995991 <br> <b>UTM 10 </b> 0.99998633 x 0.99996593 = 0.99995226 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> CARBONDALE AZ MK </td><td>327° 36' 50.5"</td></tr><tr><td>UTM 10 </td><td> CARBONDALE AZ MK </td><td>327° 00' 00.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB4257</td><td>CARBONDALE RM 1 </td><td> 7.775 METERS</td><td>004° 22' </td></tr><tr><td>DB4259</td><td>CARBONDALE RM 3 </td><td> 14.931 METERS</td><td>121° 51' </td></tr><tr><td>DB4258</td><td>CARBONDALE RM 2 </td><td> 7.684 METERS</td><td>125° 54' </td></tr><tr><td>DB4256</td><td>CARBONDALE AZ MK </td><td> </td><td>328° 13' 45.0"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 38 27 38.00789(N) 121 01 27.58952(W) AD(1991.35) 2 <br> <b> NAD 83(1986)</b> 38 27 37.99692(N) 121 01 27.58481(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 27 38.32200(N) 121 01 23.79000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 116.0 (m) 381. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH7237658766(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1939 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1940 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1954 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1969 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1939 (FGJ) LOCATED ABOUT 4 MILES NORTH OF CARBONDALE AND ABOUT 2-1/2 MILES SOUTHEAST OF MICHIGAN BAR STORE (SACRAMENTO COUNTY), ON THE HIGHEST POINT OF A SMALL BRUSHY HILL (BELIEVED TO BE NEAR THE EAST 1/4 CORNER OF SEC. 18, T. 7 N., R. 9 E.) <p>REACHED FROM THE POST OFFICE IN PERKINS (SACRAMENTO COUNTY) BY GOING SOUTHEASTERLY ON STATE HIGHWAY 16 FOR 18.75 MILES TO MICHIGAN BAR STORE ON RIGHT. CONTINUE ON STATE HIGHWAY 16 FOR 1.75 MILES TO OILED ROAD LEADING RIGHT AT SIGN IONE 13, SACRAMENTO 26. TURN RIGHT AND GO SOUTH 1.3 MILES TO A DIRT ROAD LEADING LEFT, AT SIGN IONE 11. TURN LEFT ON DIRT ROAD 0.75 MILE TO SIGN CARBONDALE 5, JACKSON 22. TURN LEFT AND GO 0.05 MILE, PASS THROUGH WIRE GATE, THENCE RIGHT ABOUT 0.15 MILE TO LOCATION OF AZIMUTH MARK SET IN FENCE LINE AT FRONT OF RANCH BUILDING. CONTINUE ALONG FENCE 0.1 MILE TO FENCE CORNER. FROM HERE THE STATION IS ON THE FIRST HILL TO THE SOUTH. TURN RIGHT AND DRIVE ACROSS COUNTRY 0.2 MILE TO FOOT OF HILL AND END OF TRUCK TRAVEL, THENCE PACK SOUTH TO TOP OF RIDGE AND STATION. LOCATION IS AT EXTREME NORTH END OF RIDGE ABOUT 40 FEET SOUTH OF A ROCK OUTCROP AT CROWN OF HILL. <p>ALL MARKS ARE STANDARD DISKS WELDED ON SECTION OF 2-INCH SOIL PIPE AND SET IN CONCRETE. MARKS PROJECT ABOUT SIX INCHES ABOVE THE GROUND SURFACE. LOCATION OF AZIMUTH MARK IS AS PREVIOUSLY DESCRIBED. <p> <h2>STATION RECOVERY (1940) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1940 (JCS) DESCRIPTION BY F.G.J., 1939, FOUND CORRECT. THE FOLLOWING IS A COPY OF THE 1939 DESCRIPTION AND DIRECTIONS TO MARKS AS OBSERVED IN 1940. <p>LOCATED ABOUT 4.0 MILES NORTH OF CARBONDALE AND ABOUT 2-1/2 MILES SOUTHEAST OF MICHIGAN BAR STORE ON THE HIGHEST POINT OF A SMALL BRUSHY HILL (BELIEVED TO BE NEAR THE EAST 1/4 CORNER OF SEC. 18, T. 7 N., R. 9 E.) <p>REACHED FROM THE POST OFFICE IN PERKINS BY GOING SOUTHEASTERLY ON STATE HIGHWAY 16 FOR 18.75 MILES TO MICHIGAN BAR STORE ON RIGHT. CONTINUE ON STATE HIGHWAY 16, 1.75 MILES TO OILED ROAD RIGHT AT SIGN IONE 13, SACRAMENTO 26. TURN RIGHT, SOUTH, 1.3 MILES TO DIRT ROAD LEFT AT SIGN IONE 11. TURN LEFT ON DIRT ROAD 0.75 MILE TO SIGN CARBONDALE 5, JACKSON 22. TURN LEFT 0.05 MILE TO GATE. PASS THROUGH GATE AND CONTINUE EAST ABOUT 0.15 MILE TO AZIMUTH MARK IN NORTH FENCE LINE OF ROAD BY RANCH BUILDINGS. CONTINUE 0.1 MILE TO FENCE CORNER, STATION LIES ABOUT SOUTH ON TOP OF FIRST HILL. DRIVE CROSS COUNTRY TO FOOT OF HILL, ABOUT 0.2 MILE, AND PACK TO TOP OF HILL AND STATION. <p> <h2>STATION RECOVERY (1954) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) THE STATION AND ALL MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION. THE DIRECTIONS AND DISTANCES TO THE AZIMUTH MARK AND REFERENCE MARKS 1 AND 2 CHECKED THE PREVIOUS DATA. DUE TO ROAD CHANGES, THE 1940 DESCRIPTION OF THE ROUTE TO THE STATION IS INADEQUATE. THE COMPLETE DESCRIPTION FOLLOWS-- <p>THE STATION IS LOCATED ABOUT 9-1/2 MILES EAST-SOUTHEAST OF SLOUGHHOUSE, 4 MILES NORTH-NORTHWEST OF CARBONDALE AND 2-1/2 MILES SOUTHEAST OF THE MICHIGAN BAR STORE. IT IS ON THE HIGHEST POINT OF A BRUSH-COVERED HILL ON LAND OWNED BY G.R. MC DONALD WHO LIVES IN THE HOUSE AS DESCRIBED HEREIN. <p>TO REACH FROM THE POST OFFICE IN SLOUGHHOUSE, GO EASTERLY ON STATE ROUTE 16 FOR 6 MILES TO THE BRIDGE OVER THE COSUMNES RIVER. CONTINUE EAST FOR 2.8 MILES TO SIGN IONE 14 AT PAVED ROAD RIGHT. TURN RIGHT, SOUTH, FOR 1.35 MILES TO A GRAVELED ROAD LEFT. TURN LEFT, EAST, FOR 0.8 MILE TO A METAL GATE AT THE ENTRANCE TO THE RANCH YARD AND A WIRE GATE ON THE RIGHT, SOUTH SIDE OF THE ROAD. PASS THROUGH METAL GATE AND GO EAST AND NORTHEAST FOR 0.1 MILE TO THE AZIMUTH MARK BETWEEN THE OLD AND NEW HOUSES OF G.R. MC DONALD. FROM THE ENTRANCE TO THE RANCH YARD, GO SOUTH THROUGH THE WIRE GATE AND FOLLOW THE LANE FOR 0.2 MILE TO ANOTHER WIRE GATE. PASS THROUGH AND TURN LEFT, EAST, FOR 0.1 MILE TO THREE FORKS. KEEP THE LEFT FORK AND CONTINUE EASTERLY ON ROAD CIRCLING THE BASE OF THE HILL FOR 0.3 MILE TO A BULLDOZED ROAD LEADING NORTH TO THE TOP OF THE HILL. TURN LEFT, UPHILL, ON BULLDOZED ROAD, FOR 0.1 MILE TO A WIRE GATE. PASS THROUGH, THENCE BEAR RIGHT, CRASHING THROUGH THE 8-FOOT HIGH BRUSH, FOR ABOUT 100 YARDS TO THE STATION WHICH IS ON THE EXTREME NORTHEAST POINT OF THE FLAT-TOPPED HILL. A 4-WHEEL DRIVE VEHICLE IS REQUIRED TO DRIVE TO THE STATION. <p>THE STATION AND ALL MARKS ARE STANDARD DISKS WELDED TO 2-INCH SOIL PIPES SET IN CONCRETE AND PROJECTS ABOUT 6 INCHES ABOVE THE GROUND SURFACE. <p>THE STATION MARK, STAMPED CARBONDALE 1939, IS ABOUT 40 FEET SOUTH OF A ROCK OUTCROP AT THE BRINK OF THE HILL. <p>REFERENCE MARK 1 IS STAMPED CARBONDALE NO 1 1939. <p>REFERENCE MARK 2 IS STAMPED CARBONDALE NO 2 1939. <p>THE AZIMUTH MARK, STAMPED CARBONDALE 1939, IS 83 FEET EAST OF THE CENTER OF THE DRIVEWAY LEADING TO MR. MC DONALDS NEW HOME AND 12 FEET NORTH OF THE CENTER OF THE TRACK ROAD. THE MARK IS SET IN THE EAST-WEST FENCE LINE. <p>OBSERVATIONS TAKEN FROM A 10-FOOT STAND. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (LS) THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARK 1 WERE RECOVERED IN GOOD CONDITION. REFERENCE MARK 2 WAS FOUND LYING LOOSE ON TOP OF THE GROUND SO REFERENCE MARK 3 WAS SET ON THIS DATE. THE PREVIOUS DESCRIPTIONS ARE ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>THE STATION MARK IS 42.0 FEET WEST OF A FENCE LINE AND 2.8 FEET NORTH OF A WOODEN WITNESS POST. <p>REFERENCE MARK 1 IS 42.5 FEET WEST OF THE FENCE LINE AND ABOUT 1/2 FOOT LOWER THAN THE STATION MARK. <p>REFERENCE MARK 3 IS A COAST AND GEODETIC SURVEY REFERENCE MARK DISK STAMPED CARBONDALE 1939 NO 3 1969 CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER FLUSH WITH THE GROUND AND IS 0.5 FOOT WEST OF THE FENCE LINE AND ABOUT 1 FOOT LOWER THAN THE STATION MARK. JS4757FAA O70 Ahttp://www.geocaching.com/mark/details.asp?PID=JS4757FAA O70 AGeocacheGeocacheFAA O70 ANGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>FAA O70 A</h1> <b> PID </b> JS4757 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 22 26.69295(N) 120 47 40.20512(W) ADJUSTED <br> <b> NAVD 88 </b> 518.0 (meters) 1699. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,563,458.497 (meters) COMP <br> <b> Y </b> -4,301,180.086 (meters) COMP <br> <b> Z </b> 3,938,384.408 (meters) COMP <br> <b> LAPLACE CORR</b> 9.99 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 488.93 (meters) (11/17/92) GPS OBS <br> <b> GEOID HEIGHT</b> -28.91 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> ELLP ORDER </b> FIFTH CLASS I <br> <p>This mark is at Westover Field Amador Co Airport (O70) <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 579,226.693 2</td><td>105,337.760</td><td> MT </td><td>0.99999101</td><td> +0 ' 45 36.1"</td></tr><tr><td>SPC CA 2 </td><td>1,900,346.24 6</td><td>907,262.30 </td><td> sFT </td><td>0.99999101</td><td> +0 ' 45 36.1"</td></tr><tr><td>SPC CA 3 </td><td> 708,034.628 1</td><td>974,265.509</td><td> MT </td><td>0.99998822</td><td> -0 ' 10 49.1"</td></tr><tr><td>SPC CA 3 </td><td>2,322,943.61 6</td><td>477,236.09 </td><td> sFT </td><td>0.99998822</td><td> -0 ' 10 49.1"</td></tr><tr><td>UTM 10 </td><td>4,249,624.024 </td><td>692,660.146</td><td> MT </td><td>1.00005714</td><td> +1 ' 22 10.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99992329 x 0.99999101 = 0.99991430 <br> <b>SPC CA 3 </b> 0.99992329 x 0.99998822 = 0.99991151 <br> <b>UTM 10 </b> 0.99992329 x 1.00005714 = 0.99998042 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> FAA O70 B </td><td>017° 56' 34.3"</td></tr><tr><td>SPC CA 3 </td><td> FAA O70 B </td><td>018° 52' 59.5"</td></tr><tr><td>UTM 10 </td><td> FAA O70 B </td><td>017° 19' 59.9"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS4758</td><td>FAA O70 B </td><td>APPROX. 0.6 KM</td><td>018° 42' 10.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 38 22 26.69295(N) 120 47 40.20509(W) AD(1991.35) 1 <br> <b> NAD 83(1986)</b> 38 22 26.67662(N) 120 47 40.18271(W) AD(1984.00) 3 <br> NGVD 29 (10/13/92) 517.1 (m) 1697. (f) GPS OBS <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9266049624(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD IN SLEEVE <br>STAMPING: FAA O70 A 1992 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - July 28, 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>19920728</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ABOUT 3 KM (1.9 MI) NORTH OF JACKSON, ON THE NORTHEAST SIDE OF MARTELL, AT THE JACKSON/AMADOR COUNTY-WESTOVER FIELD, ON A LOW BANK ON THE EAST SIDE OF THE RUNWAY, INSIDE THE SYMMETRICAL CIRCLE WITH THE WIND SOCK AND WIND TEE. OWNERSHIP--AMADOR COUNTY, 108 COURT STREET, JACKSON, CA 95642. AIRPORT MANAGER IS DAVE RICHARDS, PHONE 209-223-2376. CALL AHEAD DURING 8-5 BUSINESS HOURS FOR CARDKEY TO LOCKED GATE. TO REACH FROM THE JUNCTION OF STATE HIGHWAYS 49 AND 88 EAST IN JACKSON, GO NORTH ON HIGHWAYS 49 AND 88 FOR 3.08 KM (1.91 MI) TO JUNCTION OF HIGHWAY 88 WEST ON THE LEFT. KEEP RIGHT, NORTH, ON HIGHWAY 49 FOR 1.37 KM (0.85 MI) TO A PAVED ROAD RIGHT. TURN RIGHT, EAST, ON AIRPORT ROAD FOR 0.52 KM (0.32 MI) TO THE KOMAR AVIATION HANGAR (AIRPORT OFFICE IN NORTHWEST CORNER OF HANGAR) JUST BEFORE ROAD END. BEAR RIGHT ON PAVEMENT, SOUTHEAST, ON WEST SIDE OF HANGAR FOR 40 M (131.2 FT) TO A LOCKED GATE ON THE LEFT. TURN LEFT, PASSING THROUGH GATE, THEN LEFT AROUND KOMAR HANGAR FOR 60 M (196.8 FT) TO THE AIRPORT OFFICE ON THE LEFT. TURN RIGHT, EAST, ON APRON, CROSSING PARALLEL TAXI, FOR 0.15 KM (0.09 MI) TO THE RUNWAY. CONTINUE ACROSS RUNWAY, THEN BEAR SLIGHTLY LEFT UP SLOPE FOR 0.11 KM (0.07 MI) TO THE WIND SOCK AND TEE AND THE STATION. STATION MARK IS A PUNCH HOLE TOP CENTER ON A STEEL ROD ENCASED IN A PVC PIPE WITH LOGO CAP SET IN A CONCRETE POST FLUSH WITH THE GROUND. IT IS ABOUT 70 M (229.7 FT) EAST OF THE RUNWAY CENTER, 9.6 M (31.5 FT) NORTHWEST OF THE WIND SOCK POLE, 15.3 M (50.2 FT) NORTH-NORTHWEST OF THE WIND TEE, 5.8 M (19.0 FT) SOUTHEAST OF THE INNER LINE OF CONCRETE SLABS FORMING THE CIRCLE AND 14 M (45.9 FT) EAST OF TOP OF SLOPE. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY CALTRANS 1992 (PDG) THE STATION WAS RECOVERED WITH THE FOLLOWING ADDITION. THE STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. JS4758FAA O70 Bhttp://www.geocaching.com/mark/details.asp?PID=JS4758FAA O70 BGeocacheGeocacheFAA O70 BNGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>FAA O70 B</h1> <b> PID </b> JS4758 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 22 45.27821(N) 120 47 32.21210(W) ADJUSTED <br> <b> NAVD 88 </b> 513.3 (meters) 1684. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,563,107.809 (meters) COMP <br> <b> Y </b> -4,300,970.644 (meters) COMP <br> <b> Z </b> 3,938,830.807 (meters) COMP <br> <b> LAPLACE CORR</b> 10.10 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 484.28 (meters) (11/17/92) GPS OBS <br> <b> GEOID HEIGHT</b> -28.88 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> ELLP ORDER </b> FIFTH CLASS I <br> <p>This mark is at Westover Field Amador Co Airport (O70) <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 579,802.277 2</td><td>105,524.144</td><td> MT </td><td>0.99998991</td><td> +0 ' 45 41.1"</td></tr><tr><td>SPC CA 2 </td><td>1,902,234.64 6</td><td>907,873.80 </td><td> sFT </td><td>0.99998991</td><td> +0 ' 45 41.1"</td></tr><tr><td>SPC CA 3 </td><td> 708,607.075 1</td><td>974,461.314</td><td> MT </td><td>0.99998920</td><td> -0 ' 10 44.2"</td></tr><tr><td>SPC CA 3 </td><td>2,324,821.71 6</td><td>477,878.49 </td><td> sFT </td><td>0.99998920</td><td> -0 ' 10 44.2"</td></tr><tr><td>UTM 10 </td><td>4,250,201.598 </td><td>692,840.407</td><td> MT </td><td>1.00005799</td><td> +1 ' 22 16.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99992402 x 0.99998991 = 0.99991393 <br> <b>SPC CA 3 </b> 0.99992402 x 0.99998920 = 0.99991322 <br> <b>UTM 10 </b> 0.99992402 x 1.00005799 = 0.99998200 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> FAA O70 A </td><td>197° 56' 34.2"</td></tr><tr><td>SPC CA 3 </td><td> FAA O70 A </td><td>198° 52' 59.5"</td></tr><tr><td>UTM 10 </td><td> FAA O70 A </td><td>197° 19' 59.3"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS4757</td><td>FAA O70 A </td><td>APPROX. 0.6 KM</td><td>198° 42' 15.3"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 38 22 45.27820(N) 120 47 32.21208(W) AD(1991.35) 3 <br> <b> NAD 83(1986)</b> 38 22 45.26187(N) 120 47 32.18970(W) AD(1984.00) 3 <br> NGVD 29 (10/13/92) 512.5 (m) 1681. (f) GPS OBS <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9284050202(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD IN SLEEVE <br>STAMPING: FAA O70 B 1992 <br>MARK LOGO: NGS <br>MAGNETIC: I = MARKER IS A STEEL ROD <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ABOUT 3 KM (1.9 MI) NORTH OF JACKSON, ON THE NORTHEAST SIDE OF MARTELL, AT THE JACKSON/WESTOVER FIELD AMADOR COUNTY, ON THE EAST SIDE OF THE RUNWAY, AT THE REAR VASI FOR RUNWAY 19. OWNERSHIP--AMADOR COUNTY, 108 COURT STREET, JACKSON, CA 95642. AIRPORT MANAGER IS DAVE RICHARDS, PHONE 209-223-2376. CALL AHEAD DURING 8-5 BUSINESS HOURS FOR CARDKEY TO LOCKED GATE. TO REACH FROM THE JUNCTION OF STATE HIGHWAYS 49 AND 88 EAST IN JACKSON, GO NORTH ON HIGHWAYS 49 AND 88 FOR 3.08 KM (1.91 MI) TO JUNCTION OF HIGHWAY 88 WEST ON THE LEFT. KEEP RIGHT, NORTH, ON HIGHWAY 49 FOR 1.37 KM (0.85 MI) TO A PAVED ROAD RIGHT. TURN RIGHT, EAST, ON AIRPORT ROAD FOR 0.52 KM (0.32 MI) TO THE KOMAR AVIATION HANGAR (AIRPORT OFFICE IN NORTHWEST CORNER OF HANGAR) JUST BEFORE ROAD END. BEAR RIGHT ON PAVEMENT, SOUTHEAST, ON WEST SIDE OF HANGAR FOR 40 M (131.2 FT) TO A LOCKED GATE ON THE LEFT. TURN LEFT, PASSING THROUGH GATE, THEN LEFT AROUND KOMAR HANGAR FOR 60 M (196.8 FT) TO THE AIRPORT OFFICE ON THE LEFT. TURN RIGHT, EAST, ON APRON, CROSSING PARALLEL TAXI, FOR 0.15 KM (0.09 MI) TO THE RUNWAY. CONTINUE ACROSS RUNWAY, THEN BEAR SLIGHTLY LEFT UP SLOPE FOR 0.11 KM (0.07 MI) TO THE WIND SOCK AND TEE AND AND A TRACK ROAD LEFT. TURN LEFT, NORTH, ON ROAD FOR 0.60 KM (0.37 MI) TO THE REAR VASI AND STATION ON THE LEFT. STATION MARK IS A PUNCH HOLE TOP CENTER ON A STAINLESS STEEL ROD IN A 2.5 GREASE FILLED SLEEVE 90 CM LONG ENCASED IN A 12.7 CM PVC PIPE WITH LOGO CAP SURROUNDED BY CONCRETE POST FLUSH WITH THE GROUND. IT IS ABOUT 160 M (524.9 FT) SOUTH FROM NORTH END OF THE RUNWAY, 30.3 M (99.4 FT) EAST FROM RUNWAY CENTER, 5.1 M (16.7 FT) EAST FROM SOUTHEAST LEG OF THE VASI, 6.5 M (21.3 FT) NORTHEAST FROM THE NORTH LEG OF AN ELECTRICAL BOX SUPPORT AND 30.8 M (101.0 FT) WEST FROM THE PERIMETER FENCE. JS0355G 918http://www.geocaching.com/mark/details.asp?PID=JS0355G 918GeocacheGeocacheG 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>G 918</h1> <b> PID </b> JS0355 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 54. (N) 120 34 19. (W) SCALED <br> <b> NAVD 88 </b> 904.76 (+/-2cm) 2968.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.18 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 585,900. </td><td> 2,124,680. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 903.926 (m) 2965.63 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH119565(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: G 918 1957 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 AT PIONEER. AT PIONEER, 0.1 MILE WEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL, AT THE Y JUNCTION OF A PAVED ROAD LEADING SOUTHEAST TO WEST POINT, IN R 13 E, T 7 N, NEAR THE CENTER OF SECTION 29, IN THE TOP OF A LARGE GRANITE OUTCROP, 96 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 19 FEET NORTHWEST OF THE NORTHWEST END OF A CEMENT-STONE MASONRY BRIDGE OVER SOUTH BRANCH SUTTER CREEK, 15 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, ABOUT 7 FEET LOWER THAN THE HIGHWAY, ABOUT 2 1/2 FEET HIGHER THAN THE ROAD, AND ABOUT 2 FEET ABOVE THE GROUND. JS0398H 83 USGShttp://www.geocaching.com/mark/details.asp?PID=JS0398H 83 USGSGeocacheGeocacheH 83 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>H 83 USGS</h1> <b> PID </b> JS0398 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WALLACE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 14 00. (N) 120 56 59. (W) SCALED <br> <b> NAVD 88 </b> 67.58 (+/-2cm) 221.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.09 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 563,440. </td><td> 2,091,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 66.87 (m) 219.4 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH794336(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: H 83 1940 219 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 2.3 MI NW FROM CAMANCHE. 0.5 MILE WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT CAMANCHE, THENCE 1.8 MILES NORTH ALONG A PAVED ROAD, 45 FEET WEST OF THE CENTER OF THE JUNCTION OF A ROAD LEADING SOUTHWEST, 48 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD LEADING SOUTHWEST, 13 FEET NORTHWEST OF THE EXTENDED CENTER LINE OF THE ROAD LEADING NORTHEAST, 1.7 FEET EAST OF A FENCE, 1.0 FOOT NORTH OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. NOTE-- A COPPER NAIL AND WASHER STAMPED AN IS IN THE TOP OF A ROOT ON THE NORTHEAST SIDE OF A 12-INCH OAK TREE 148.5 FEET NORTH OF BENCH MARK H 83 (USGS). <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION. JS0395H 84 USGShttp://www.geocaching.com/mark/details.asp?PID=JS0395H 84 USGSGeocacheGeocacheH 84 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>H 84 USGS</h1> <b> PID </b> JS0395 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 15 38. (N) 120 56 19. (W) SCALED <br> <b> NAVD 88 </b> 150.75 (+/-2cm) 494.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.95 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 566,470. </td><td> 2,092,890. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 150.03 (m) 492.2 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH803367(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: H 84 1940 492 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 4.4 MI N FROM CAMANCHE. 0.5 MILE WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT CAMANCHE, THENCE 3.85 MILES NORTH ALONG A PAVED ROAD, AT THE SUMMIT OF A HILL, 0.15 MILE SOUTH OF A DRIVEWAY LEADING EAST TO A SMALL HOUSE AND A TRACK ROAD LEADING SOUTHWEST, 23 FEET EAST OF THE CENTER LINE OF THE ROAD, 35 FEET NORTH OF AN ANGLE IN A FENCE LINE, 1.9 FEET WEST OF A FENCE, 0.8 FOOT NORTH OF A WITNESS POST, ABOUT 4 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. JS0393H 85 USGShttp://www.geocaching.com/mark/details.asp?PID=JS0393H 85 USGSGeocacheGeocacheH 85 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>H 85 USGS</h1> <b> PID </b> JS0393 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 16 57. (N) 120 55 53. (W) SCALED <br> <b> NAVD 88 </b> 89.78 (+/-2cm) 294.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.86 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 568,910. </td><td> 2,093,500. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 89.06 (m) 292.2 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH809391(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: H 85 1940 992 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 5.9 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 2.9 MILES SOUTHEAST ALONG A PAVED ROAD, THENCE 0.75 MILE WEST ALONG A PAVED ROAD, THENCE 0.8 MILE SOUTH ALONG A PAVED ROAD, 6.3 MILES NORTH OF CAMANCHE, ON THE OUTSIDE OF A CURVE, AT THE SUMMIT OF A HILL, 0.1 MILE SOUTHWEST OF A DIRT ROAD LEADING SOUTHEAST TO A BARN, 23 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 222 FEET NORTHEAST OF TELEPHONE POLE 9 (THE FIRST POLE ON THE SOUTHEAST SIDE OF THE ROAD), 2.0 FEET NORTHWEST OF A FENCE, 1.1 FEET NORTHEAST OF A WITNESS POST, ABOUT 2 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. A COPPER NAIL AND WASHER STAMPED AP IS IN THE TOP OF A SAWED OFF LIMB OF A 30-INCH LIVE OAK TREE 257 FEET WEST OF BENCH MARK H 85 (USGS), AND ON THE NORTH SIDE OF THE TREE. JS0354H 918http://www.geocaching.com/mark/details.asp?PID=JS0354H 918GeocacheGeocacheH 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>H 918</h1> <b> PID </b> JS0354 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 26 10. (N) 120 33 15. (W) SCALED <br> <b> NAVD 88 </b> 942.55 (+/-2cm) 3092.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.04 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 586,420. </td><td> 2,126,230. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 941.707 (m) 3089.58 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH134570(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: H 918 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 1 MI NE FROM PIONEER. 1.0 MILE NORTHEAST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, AT THE T JUNCTION OF A GRAVELED DRIVEWAY LEADING SOUTH TO THE CEDARS (CABINS), IN R 13 E, T 7 N, IN THE NORTHWEST QUARTER OF SECTION 28, 48 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 40 FEET WEST OF THE CENTER LINE OF THE DRIVE, 4 FEET NORTH OF A 12-INCH OAK TREE USED AS A FENCE CORNER POST, 3.7 FEET NORTHEAST OF A FENCE, 1.6 FEET NORTH OF A WITNESS POST, ABOUT 2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. JS4670HPGN CA 10 09http://www.geocaching.com/mark/details.asp?PID=JS4670HPGN CA 10 09GeocacheGeocacheHPGN CA 10 09CADTCADT Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>HPGN CA 10 09</h1> <b> PID </b> JS4670 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 20 38.66271(N) 120 40 01.26224(W) ADJUSTED <br> <b> NAVD 88 </b> 641.6 (meters) 2105. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,554,986.128 (meters) COMP <br> <b> Y </b> -4,308,735.251 (meters) COMP <br> <b> Z </b> 3,935,849.331 (meters) COMP <br> <b> LAPLACE CORR</b> 12.67 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 613.22 (meters) (11/17/92) GPS OBS <br> <b> GEOID HEIGHT</b> -28.28 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> B <br> <b> ELLP ORDER </b> FIFTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in May 1992. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 576,051.620 2</td><td>116,525.556</td><td> MT </td><td>0.99999758</td><td> +0 ' 50 25.5"</td></tr><tr><td>SPC CA 2 </td><td>1,889,929.36 6</td><td>943,967.59 </td><td> sFT </td><td>0.99999758</td><td> +0 ' 50 25.5"</td></tr><tr><td>SPC CA 3 </td><td> 704,676.182 1</td><td>985,399.526</td><td> MT </td><td>0.99998266</td><td> -0 ' 06 08.1"</td></tr><tr><td>SPC CA 3 </td><td>2,311,925.11 6</td><td>513,764.94 </td><td> sFT </td><td>0.99998266</td><td> -0 ' 06 08.1"</td></tr><tr><td>UTM 10 </td><td>4,246,567.672 </td><td>703,882.041</td><td> MT </td><td>1.00011195</td><td> +1 ' 26 52.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99990379 x 0.99999758 = 0.99990137 <br> <b>SPC CA 3 </b> 0.99990379 x 0.99998266 = 0.99988645 <br> <b>UTM 10 </b> 0.99990379 x 1.00011195 = 1.00001573 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 20 38.64875(N) 120 40 01.23145(W) AD(1984.00) 1 <br> ELLIP H (05/15/92) 613.22 (m) GP(1991.35) 4 2 <br>
NGVD 29 (10/13/92) 640.7 (m) 2102. (f) GPS OBS <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH0388246568(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) <br>SP_SET: ALUMINUM ALLOY ROD <br>STAMPING: HPGN-CALIF. STA. 10-09 1991 <br>MARK LOGO: CADT <br>PROJECTION: FLUSH <br>MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - April 21, 2004 <br>ROD/PIPE-DEPTH: 2.4 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1991 </td><td>MONUMENTED </td><td>CADT</td></tr><tr><td>19910528</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920504</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920610</td><td>GOOD </td><td>CADT</td></tr><tr><td>19930303</td><td>GOOD </td><td>CADT</td></tr><tr><td>19940608</td><td>GOOD </td><td>CADT</td></tr><tr><td>20040421</td><td>GOOD </td><td>COMPA</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 THE STATION IS LOCATED ABOUT 25 MI (40.2 KM) SOUTH OF PLACERVILLE, 6 MI (9.7 KM) EAST OF JACKSON AND 5 MI (8.0 KM) SOUTH OF PINE GROVE. TO REACH THE STATION FROM THE POST OFFICE IN JACKSON, GO SOUTHEAST FOR 0.4 MI (0.6 KM) ON STATE HIGHWAYS 49 AND 88 TO THE JUNCTION OF HIGHWAYS 88 AND 49. CONTINUE SOUTHEAST ON HIGHWAY 49 FOR 0.6 MI (1.0 KM) TO CLINTON ROAD. TURN LEFT ON CLINTON ROAD AND GO 5.3 MI (8.5 KM) TO A T-INTERSECTION (CLINTON ROAD TURNS LEFT, TABEAU ROAD STRAIGHT AHEAD. CONTINUE AHEAD ON TABEAU ROAD AND GO 200 FT (61.0 M) TO AMADOR ROAD (A GRAVEL ROAD). TURN RIGHT ON AMADOR ROAD AND GO 0.5 MI (0.8 KM) TO A CATTLE GUARD. CONTINUE FOR 0.6 MI (1.0 KM) TO ANOTHER CATTLE GUARD. CONTINUE FOR 0.15 MI (0.24 KM) TO A DIRT ROAD LEADING TO LAKE TABEAU ON THE LEFT. CONTINUE FOR 250 FT (76.2 M) ON AMADOR ROAD TO A FLAT RIDGE TOP AND THE STATION ON THE RIGHT. THE STATION IS A 2.5 INCH DIAMETER CADT ALUMINUM DISK RECESSED 4.5 INCHES BELOW GROUND. LOCATED 171.4 FT (52.2 M) SOUTH OF A POWER POLE ON THE SOUTH SIDE OF AMADOR ROAD, 154.5 FT (47.1 M) SOUTHWEST OF A POWER POLE ON THE NORTHEAST SIDE OF AMADOR ROAD AND 3.0 FT (0.9 M) NORTHEAST OF A FIBERGLASS WITNESS POST. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ABOUT 10 KM (6.2 MI) EAST OF JACKSON, 20 KM (12.4 MI) NORTH-NORTHEAST OF SAN ANDREAS, 0.4 KM (0.2 MI) NORTHWEST OF A STEEL TOWER POWER LINE CROSSING THE HILLS, ALONG A GRAVEL ROAD, AT A SMALL GRASS/MUD AREA, ON A LOW BERM ALONG THE SOUTHEAST EDGE OF THE FLAT AREA. OWNERSHIP--PACIFIC GAS AND ELECTRIC COMPANY. TO REACH FROM THE JUNCTION OF STATE HIGHWAYS 49 AND 88 EAST ON THE WEST SIDE OF JACKSON, GO SOUTH ON HIGHWAY 49 FOR 0.95 KM (0.59 MI) TO A PAVED ROAD LEFT. TURN LEFT, EAST, ON CLINTON ROAD FOR 0.86 KM (0.53 MI) TO A FORK. KEEP LEFT, EASTERLY, ON CLINTON ROAD FOR 7.38 KM (4.59 MI) TO A PAVED ROAD LEFT AT TOP OF GRADE. CONTINUE AHEAD ON TABEAU ROAD FOR 0.06 KM (0.04 MI) TO A PAVED ROAD RIGHT. TURN RIGHT, SOUTHEAST, UPGRADE, ON AMADOR ROAD (TURNS TO GRAVEL IMMEDIATELY) FOR 0.86 KM (0.53 MI) TO A CATTLE GUARD. CONTINUE AHEAD ON GRAVEL ROAD FOR 0.86 KM (0.53 MI) TO A CATTLE GUARD. CONTINUE AHEAD FOR 0.30 KM (0.19 MI) TO A REVERSE FORK LEADING DOWNHILL. CONTINUE AHEAD ON GRAVEL ROAD FOR 0.08 KM (0.05 MI) TO THE STATION ON THE RIGHT, 0.25 KM (0.16 MI) BEFORE REACHING A FORK. STATION MARK IS A DISK ON A ROD ENCASED IN A PVC PIPE WITH LOGO CAP SET IN A CONCRETE POST FLUSH WITH THE GROUND. IT IS ON A SLIGHT BERM OF THE FLAT AREA WITH STEEP SLOPES TO THE SOUTH AND SOUTHWEST, 42.8 M (140.4 FT) SOUTHWEST OF THE ROAD CENTER, ABOUT 100 M (328.1 FT) EAST-SOUTHEAST OF A SMALL HORSE SHED, 47.3 M (155.2 FT) SOUTHWEST OF A UTILITY POLE ACROSS THE ROAD, 31.4 M (103.0 FT) EAST OF A LONE 30-CM PINE TREE, 22.5 M (73.8 FT) NORTHEAST OF A TURN IN THE BERM AND 1.0 M (3.3 FT) NORTHEAST OF A BROKEN-OFF FIBERGLASS WITNESS POST. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY CALTRANS 1992 (PDG) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1993) </h2> <p>RECOVERY NOTE BY CALTRANS 1993 (PDG) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (JCB) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (2004) </h2> <p>RECOVERY NOTE BY COMPASSCOM INC 2004 (DJ) RECOVERED IN GOOD CONDITION. JS4673HPGN CA 10 12http://www.geocaching.com/mark/details.asp?PID=JS4673HPGN CA 10 12GeocacheGeocacheHPGN CA 10 12CADTCADT Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> FBN </b> This is a Federal Base Network Control Station. <br> <h1>HPGN CA 10 12</h1> <b> PID </b> JS4673 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> TRAGEDY SPRING (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1998)</b> 38 38 00.18843(N) 120 10 36.07489(W) ADJUSTED <br> <b> NAVD 88 </b> 2340.9 (meters) 7680. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1998.50 <br> <b> X </b> -2,508,640.358 (meters) COMP <br> <b> Y </b> -4,314,312.505 (meters) COMP <br> <b> Z </b> 3,962,052.960 (meters) COMP <br> <b> LAPLACE CORR</b> 9.56 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 2316.71 (meters) (04/06/00) GPS OBS <br> <b> GEOID HEIGHT</b> -24.16 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> A <br> <b> ELLP ORDER </b> THIRD CLASS I <br> <p>ITRF positions are available for this station. The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 2000. This is a SPECIAL STATUS position. See SPECIAL STATUS under the DATUM ITEM on the data sheet items page. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 608,903.879 2</td><td>158,739.539</td><td> MT </td><td>0.99994550</td><td> +1 ' 08 58.3"</td></tr><tr><td>SPC CA 2 </td><td>1,997,712.14 7</td><td>082,464.64 </td><td> sFT </td><td>0.99994550</td><td> +1 ' 08 58.3"</td></tr><tr><td>SPC CA 3 </td><td> 736,827.575 2</td><td>028,152.645</td><td> MT </td><td>1.00004774</td><td> +0 ' 11 52.6"</td></tr><tr><td>SPC CA 3 </td><td>2,417,408.47 6</td><td>654,030.80 </td><td> sFT </td><td>1.00004774</td><td> +0 ' 11 52.6"</td></tr><tr><td>UTM 10 </td><td>4,279,876.280 </td><td>745,754.307</td><td> MT </td><td>1.00034380</td><td> +1 ' 45 48.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99963663 x 0.99994550 = 0.99958215 <br> <b>SPC CA 3 </b> 0.99963663 x 1.00004774 = 0.99968436 <br> <b>UTM 10 </b> 0.99963663 x 1.00034380 = 0.99998031 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 38 00.17128(N) 120 10 36.05682(W) AD(1984.00) 1 <br> <b> NAD 83(1992)</b> 38 38 00.18625(N) 120 10 36.07146(W) AD(1991.35) B <br> ELLIP H (05/15/92) 2316.67 (m) GP(1991.35) 4 2 <br>
NGVD 29 (07/08/94) 2339.9 (m) 7677. (f) GPS OBS <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH4575479876(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: IN A DRILL HOLE IN BEDROCK <br>STAMPING: HPGN CALIF STA. 10-12 1991 <br>MARK LOGO: CADT <br>PROJECTION: FLUSH <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - May 07, 1999 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1991 </td><td>MONUMENTED </td><td>CADT</td></tr><tr><td>19910528</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920622</td><td>GOOD </td><td>NOS</td></tr><tr><td>19960919</td><td>GOOD </td><td>CADT</td></tr><tr><td>19980715</td><td>GOOD </td><td>NGS</td></tr><tr><td>19990507</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1991 THE STATION IS LOCATED ABOUT 20 MI (32.2 KM) SOUTHWEST OF SOUTH LAKE TAHOE AND 5 MI (8.0 KM) SOUTHWEST OF THE DAM AT SILVER LAKE. TO REACH THE STATION FROM THE DAM AT SILVER LAKE, GO SOUTHWESTERLY FOR 4.3 MI (6.9 KM) ON STATE HIGHWAY 88 TO DEVILS GARDEN VISTA POINT. CONTINUE FOR 0.35 MI (0.56 KM) ON HIGHWAY 88 TO A ROAD CONNECTION AND THE STATION ON THE RIGHT. THE ROAD CONNECTION LOOPS BACK APPROXIMATELY PARALLEL TO HIGHWAY 88 TO THE EAST. THE STATION IS A 3.5 IN DIAMETER CADT BRASS DISK SET AT THE WESTERLY END OF A BEDROCK OUTCROPPING ABOUT 1 X 2 FOOT AND ABOUT 0.5 FT (0.2 M) ABOVE GROUND. LOCATED 57.8 FT (17.6 M) NORTH OF THE CENTERLINE STRIPE OF HIGHWAY 88, 50.2 FT (15.3 M) EAST OF THE ROAD CONNECTION EDGE OF PAVEMENT NEAR THE MIDPOINT OF THE CURVE, 33.0 FT (10.1 M) SOUTH OF THE ROAD CONNECTION EDGE OF PAVEMENT AT THE TANGENT PORTION GOING EAST AND 3.2 FT (1.0 M) SOUTHWEST OF A FIBERGLASS WITNESS POST. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1992 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1996) </h2> <p>RECOVERY NOTE BY CALTRANS 1996 (PTD) THE STATION WAS RECOVERED WITH THE FOLLOWING ADDITION. THE STATION IS LOCATED ON THE NORTH SIDE OF STATE HIGHWAY 88, 2.1 MI (3.4 KM) EAST OF THE INTERSECTION OF HIGHWAY 88 AND MORMON EMIGRANT TRAIL (IRON MOUNTAIN ROAD) . <p> <h2>STATION RECOVERY (1998) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) THE STATION IS LOCATED ABOUT 20 MI (32.2 KM) SOUTHWEST OF SOUTH LAKE TAHOE, 5 MI (8.0 KM) SOUTHWEST OF THE DAM AT SILVER LAKE AND 9.5 MI (15.3 KM) EAST OF THE ENTRANCE TO THE BEAR RIVER RESERVOIR. TO REACH THE STATION FROM THE DAM AT SILVER LAKE, GO SOUTHWESTERLY FOR 4.3 MI (6.9 KM) ON STATE HIGHWAY 88 TO DEVILS GARDEN VISTA POINT. CONTINUE FOR 0.35 MI (0.56 KM) ON HIGHWAY 88 TO A ROAD CONNECTION AND THE STATION ON THE RIGHT. THE ROAD CONNECTION LOOPS BACK APPROXIMATELY PARALLEL TO HIGHWAY 88 TO THE EAST. THE STATION IS A 3.5 IN DIAMETER CADT BRASS DISK SET AT THE WESTERLY END OF A BEDROCK OUTCROPPING ABOUT 1 FT (0.3 M) X 2 FT (0.6 M) AND ABOUT 0.5 FT (15.2 CM) ABOVE GROUND. LOCATED 57.8 FT (17.6 M) NORTH OF THE CENTERLINE STRIPE OF HIGHWAY 88, 50.2 FT (15.3 M) EAST OF THE ROAD CONNECTION EDGE OF PAVEMENT NEAR THE MIDPOINT OF THE CURVE, 33.0 FT (10.1 M) SOUTH OF THE ROAD CONNECTION EDGE OF PAVEMENT AT THE TANGENT PORTION GOING EAST, 34.8 FT (10.6 M) NORTH-NORTHEAST OF THE CENTER OF A 3 FT (0.9 M) BY 5 FT (1.5 M) METAL UNDERGROUND CABLE JUNCTION BOX AND 33.1 FT (10.1 M) NORTH-NORTHEAST OF A FIBERGLASS WITNESS POST. <p> <h2>STATION RECOVERY (1999) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (CSM) RECOVERED AS DESCRIBED. JS4037IONE PRESTON SCH OF INDUST CUPhttp://www.geocaching.com/mark/details.asp?PID=JS4037IONE PRESTON SCH OF INDUST CUPGeocacheGeocacheIONE PRESTON SCH OF INDUST CUPCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>IONE PRESTON SCH OF INDUST CUP</h1> <b> PID </b> JS4037 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 21 39.68761(N) 120 56 12.56079(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.37 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -29.61 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 577,622.198 2</td><td>092,919.157</td><td> MT </td><td>0.99999384</td><td> +0 ' 40 13.1"</td></tr><tr><td>SPC CA 2 </td><td>1,895,082.16 6</td><td>866,518.93 </td><td> sFT </td><td>0.99999384</td><td> +0 ' 40 13.1"</td></tr><tr><td>SPC CA 3 </td><td> 706,633.879 1</td><td>961,822.347</td><td> MT </td><td>0.99998576</td><td> -0 ' 16 02.8"</td></tr><tr><td>SPC CA 3 </td><td>2,318,347.98 6</td><td>436,412.15 </td><td> sFT </td><td>0.99998576</td><td> -0 ' 16 02.8"</td></tr><tr><td>UTM 10 </td><td>4,247,887.344 </td><td>680,258.884</td><td> MT </td><td>1.00000018</td><td> +1 ' 16 50.8"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 21 39.67543(N) 120 56 12.55773(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 21 39.99000(N) 120 56 08.77000(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH8025947887(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1955 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1955 (LSB) THE APEX OF THE PRESTON SCHOOL OF INDUSTRY CUPOLA, LOCATED ON A HILL NEAR THE NORTH CITY LIMITS OF IONE ON THE SOUTH SIDE OF STATE HIGHWAY 104. THE STRUCTURE IS OF RED BRICK AND STONE AND IS ABOUT 100 FEET HIGH. <p>THIS IS STATION IONE (USGS) ESTABLISHED IN 1907-1908. JS0357J 918http://www.geocaching.com/mark/details.asp?PID=JS0357J 918GeocacheGeocacheJ 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>J 918</h1> <b> PID </b> JS0357 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 37. (N) 120 35 18. (W) SCALED <br> <b> NAVD 88 </b> 871.01 (+/-2cm) 2857.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.32 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 585,350. </td><td> 2,123,260. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 870.186 (m) 2854.94 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH105559(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: J 918 1957 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 1.1 MI SW FROM PIONEER. 1.1 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, IN R 13 E, T 7 N, IN THE SOUTHWEST QUARTER OF SECTION 30, 147 FEET NORTHEAST OF AND ACROSS THE HIGHWAY FROM THE ENTRANCE DRIVE TO THE LEO V. MANN RESIDENCE, IN THE TOP OF A LARGE GRANITE OUTCROP WHICH PROJECTS 1 FOOT ABOVE THE GROUND, 67 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, 30.0 FEET NORTHEAST OF THE NORTHEAST CORNER OF A FRAME BARN, 10.6 FEET NORTH OF THE BARNYARD FENCE, AND ABOUT 3 FEET LOWER THAN THE HIGHWAY. JS3998JACKSON 2http://www.geocaching.com/mark/details.asp?PID=JS3998JACKSON 2GeocacheGeocacheJACKSON 2USGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>JACKSON 2</h1> <b> PID </b> JS3998 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 20 22.96404(N) 120 43 15.76765(W) ADJUSTED <br> <b> NAVD 88 </b> 703.6 (meters) 2308. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 11.85 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.65 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 575,499.741 2</td><td>111,809.601</td><td> MT </td><td>0.99999856</td><td> +0 ' 48 22.8"</td></tr><tr><td>SPC CA 2 </td><td>1,888,118.73 6</td><td>928,495.33 </td><td> sFT </td><td>0.99999856</td><td> +0 ' 48 22.8"</td></tr><tr><td>UTM 10 </td><td>4,245,965.750 </td><td>699,171.723</td><td> MT </td><td>1.00008856</td><td> +1 ' 24 50.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99989411 x 0.99999856 = 0.99989267 <br> <b>UTM 10 </b> 0.99989411 x 1.00008856 = 0.99998266 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> VALLEY SPRINGS </td><td>213° 51' 39.3"</td></tr><tr><td>UTM 10 </td><td> VALLEY SPRINGS </td><td>213° 15' 11.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB1945</td><td>JACKSON 2 RM 5 </td><td> 3.973 METERS</td><td>028° 35' </td></tr><tr><td>JS4004</td><td>MT ZION LOOKOUT TOWER </td><td>APPROX. 8.2 KM</td><td>047° 05' 31.9"</td></tr><tr><td>JS4026</td><td>VALLEY SPRINGS </td><td>APPROX.18.0 KM</td><td>214° 40' 02.1"</td></tr><tr><td>JS4023</td><td>CAMP PARDEE WATER TANK </td><td>APPROX.14.9 KM</td><td>226° 00' 37.0"</td></tr><tr><td>JS4000</td><td>JACKSON 2 USGS 1972 ECC </td><td> 38.269 METERS</td><td>302° 30' </td></tr><tr><td>DB1944</td><td>JACKSON 2 RM 1 </td><td> 26.925 METERS</td><td>311° 34' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 20 22.94444(N) 120 43 15.76464(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 20 23.25796(N) 120 43 12.00521(W) AD( ) 2 <br> NGVD 29 (07/19/86) 702.8 (m) 2306. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9917245966(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1972 (RMB) THE STATION IS LOCATED ABOUT 3 MILES EAST-SOUTHEAST OF JACKSON ON A LONE BRUSH COVERED OUTSTANDING BUTTE. THE BUTTE HAS A LARGE RADIO TOWER ON IT. IT LIES IN THE SOUTHWEST QUARTER OF SECTION 25, T6N, R11E, MOUNT DIABLO MERIDIAN. <p>TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 49 AND 88 IN JACKSON, DRIVE EAST ON STATE HIGHWAY 88 0.1 MILE TO BROADWAY STREET. TURN RIGHT (SOUTHEAST ON BROADWAY STREET FOR 0.6 MILE TO SIGN CLINTON 8 MILES - CITY AND COUNTY DUMP. TURN LEFT AND GO 0.4 MILE TO A Y-FORK. TAKE RIGHT FORK EAST-SOUTHEAST FOR 1.4 MILES TO AZIMUTH MARK ON THE LEFT. CONTINUE SOUTHEAST FOR 1.1 MILES TO A CATTLE GUARD AND A LOCKED CHAIN GATE ON THE RIGHT. GO THROUGH GATE AND UP A STEEP GRADE TO TOP OF BUTTE AND STATION. THERE IS A LOCKED CABLE ACROSS ROAD ABOUT HALFWAY TO TOP OF BUTTE. <p>STATION MARK IS A USGS BRASS DISK WITH A ONE-QUARTER INCH HOLE DRILLED IN IT. IT IS STAMPED JACKSON 2 1958. THE DISK IS CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS ABOUT 1 FOOT ABOVE THE SURROUNDING GROUND. THE STATION IS 114 FEET SOUTHEAST OF THE CENTER OF THE JACKSON BUTTE RADIO TOWER AND 20.0 FEET SOUTH OF THE DRIVEWAY. IT IS ON THE HIGHEST POINT ON JACKSON BUTTE. <p>REFERENCE MARK 1 IS A USGS BRASS REFERENCE MARK DISK STAMPED 1 1958. IT IS CEMENTED IN A DRILL HOLE IN THE SOUTH CONCRETE RADIO TOWER FOOTING. IT IS 2 FEET LOWER THAN THE STATION. <p>REFERENCE MARK 5 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED U.S.G.S. JACKSON 2 1958 R.M. 5 SET 1972. IT IS EPOXIED IN A DRILL HOLE IN A BOULDER ABOUT 0.5 FOOT LOWER THAN THE STATION. <p>THE AZIMUTH MARK STAMPED JACKSON USGS 1955 IS SET IN A DRILL HOLE IN A ROCK OUTCROPPONG ABOUT 4.0 FEET HIGHER THAN THE ROAD BED. IT IS 15.0 FEET NORTH OF THE CENTER OF THE BLACKTOP ROAD, 48.0 FEET EAST OF A FENCE CORNER, 3.0 FEET SOUTH OF A WIRE FENCE AND 1.0 FOOT SOUTH OF A 4 X 4 INCH WITNESS POST. NOTE--THIS MARK CANNOT BE SEEN FROM THE STATION. <p>*KEY CAN BE OBTAINED FROM FORESTLAND PROPERTIES REAL ESTATE IN JACKSON, CALIFORNIA. JS4033JACKSON ARGONAUT MINE TANKhttp://www.geocaching.com/mark/details.asp?PID=JS4033JACKSON ARGONAUT MINE TANKGeocacheGeocacheJACKSON ARGONAUT MINE TANKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>JACKSON ARGONAUT MINE TANK</h1> <b> PID </b> JS4033 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 21 47.20195(N) 120 47 16.13295(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 9.74 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.92 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 578,016.906 2</td><td>105,938.259</td><td> MT </td><td>0.99999338</td><td> +0 ' 45 51.3"</td></tr><tr><td>SPC CA 2 </td><td>1,896,377.13 6</td><td>909,232.44 </td><td> sFT </td><td>0.99999338</td><td> +0 ' 45 51.3"</td></tr><tr><td>SPC CA 3 </td><td> 706,815.154 1</td><td>974,846.069</td><td> MT </td><td>0.99998615</td><td> -0 ' 10 34.4"</td></tr><tr><td>SPC CA 3 </td><td>2,318,942.72 6</td><td>479,140.81 </td><td> sFT </td><td>0.99998615</td><td> -0 ' 10 34.4"</td></tr><tr><td>UTM 10 </td><td>4,248,420.612 </td><td>693,273.518</td><td> MT </td><td>1.00006005</td><td> +1 ' 22 24.2"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 21 47.18616(N) 120 47 16.12907(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 21 47.49200(N) 120 47 12.35400(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9327448421(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1955 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1955 (LSB) THE STATION IS THE FINIAL OF THE OLD ARGONAUT MINE WATER TANK, LOCATED AT THE TOP OF A HILL ABOUT 1 MILE NORTHWEST OF THE TOWN OF JACKSON. THIS IS A VERY TALL ELEVATED CYLINDRICAL TANK PAINTED ALUMINUM AND IS QUITE CONSPICUOUS. IT IS 168 FEET TALL AND HAS A CAPACITY OF 50,000 GALLONS. <p>THIS IS U.S.G.S. STATION WATER TANK. JS3999JACKSON BUTTE RADIO MASThttp://www.geocaching.com/mark/details.asp?PID=JS3999JACKSON BUTTE RADIO MASTGeocacheGeocacheJACKSON BUTTE RADIO MASTCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>JACKSON BUTTE RADIO MAST</h1> <b> PID </b> JS3999 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 20 23.81101(N) 120 43 16.63858(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 11.85 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.65 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 575,525.556 2</td><td>111,788.085</td><td> MT </td><td>0.99999851</td><td> +0 ' 48 22.3"</td></tr><tr><td>SPC CA 2 </td><td>1,888,203.43 6</td><td>928,424.74 </td><td> sFT </td><td>0.99999851</td><td> +0 ' 48 22.3"</td></tr><tr><td>UTM 10 </td><td>4,245,991.338 </td><td>699,149.932</td><td> MT </td><td>1.00008846</td><td> +1 ' 24 50.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 20 23.79052(N) 120 43 16.63721(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 20 24.10791(N) 120 43 12.87476(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9915045991(NAD 83) <br>MARKER: 42 = RADIO/TV MAST <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>FIRST OBSERVED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS THE CENTER OF THE TOP OF A RED AND WHITE 4 LEGGED RADIO TOWER ON A PROMINENT BUTTE KNOWN AS JACKSON BUTTE LOCATED IN SECTION 25, T6N, R11E, MT. DIABLO MERIDIAN. JS0368JACKSON RESET 1954http://www.geocaching.com/mark/details.asp?PID=JS0368JACKSON RESET 1954GeocacheGeocacheJACKSON RESET 1954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>JACKSON RESET 1954</h1> <b> PID </b> JS0368 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 47. (N) 120 46 23. (W) SCALED <br> <b> NAVD 88 </b> 366.45 (+/-2cm) 1202.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.92 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,180. </td><td> 2,107,250. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 365.69 (m) 1199.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH946465(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: SIDEWALK <br>STAMPING: JACKSON 1934 RESET 1954 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1968 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1968 AT JACKSON. AT JACKSON, AT THE NORTH CORNER OF CALIFORNIA AND MAIN STREETS, NORTHEAST OF AND ACROSS MAIN STREET FROM THE CITY HALL, SET IN THE TOP OF THE CONCRETE SIDEWALK IN FRONT OF THE KRABBENHOFT BUILDING, 32.5 FEET NORTHWEST OF THE NORTHWEST CURB OF CALIFORNIA STREET, 27.0 FEET NORTHWEST OF THE SOUTH CORNER OF THE BUILDING, 7.2 FEET NORTHEAST OF THE NORTHEAST CURB OF MAIN STREET, 0.4 FOOT SOUTHWEST OF THE SOUTHWEST SIDE OF THE BUILDING, AND FLUSH WITH THE SIDEWALK. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (LAK) RECOVERED IN GOOD CONDITION. JS0147K 184http://www.geocaching.com/mark/details.asp?PID=JS0147K 184GeocacheGeocacheK 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>K 184</h1> <b> PID </b> JS0147 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 30. (N) 120 29 25. (W) SCALED <br> <b> NAVD 88 </b> 1290.58 (+/-2cm) 4234.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.21 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 594,520. </td><td> 2,131,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1289.663 (m) 4231.17 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH188652(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: K 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1957 0.8 MI SW FROM DEW DROP STATION. 0.8 MILE SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, IN R 13 E, T 8 N, IN THE NORTHEAST QUARTER OF SECTION 36, 29 1/2 FEET EAST OF THE CENTER LINE OF THE HIGHWAY, 27.2 FEET WEST OF A FENCE, 1.4 FEET SOUTH OF A WITNESS POST, ABOUT 3 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. JS0349K 918http://www.geocaching.com/mark/details.asp?PID=JS0349K 918GeocacheGeocacheK 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>K 918</h1> <b> PID </b> JS0349 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 24. (N) 120 33 42. (W) SCALED <br> <b> NAVD 88 </b> 841.05 (+/-2cm) 2759.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.16 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,990. </td><td> 2,125,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 840.217 (m) 2756.61 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH128556(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: K 918 1957 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 1.6 MI SE FROM PIONEER. 0.1 MILE WEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, THENCE 1.5 MILES SOUTHEAST ALONG A PAVED ROAD, IN R 13 E, T 7 N, IN THE NORTHEAST QUARTER OF SECTION 32, 38 FEET SOUTHWEST OF THE Y JUNCTION OF A BLADED ROAD LEADING EAST TO A RESIDENCE, 39 FEET WEST OF THE Y JUNCTION OF A TRACK ROAD LEADING SOUTH TO HUNT MINING ENTERPRISE, AT A FENCE CORNER, IN THE TOP OF THE NORTH END OF A LONG OBLONG GRANITE OUTCROP WHICH PROJECTS 1 1/2 FEET ABOVE THE GROUND, 35 1/2 FEET WEST OF THE CENTER LINE OF THE PAVED ROAD, 8 FEET WEST OF A 30-INCH PINE TREE WITH A TRIANGULAR BLAZE AND USED AS A FENCE CORNER POST, 5.7 FEET NORTHWEST OF A FENCE, AND ABOUT 1 1/2 FEET HIGHER THAN THE PAVED ROAD. JS4067KIRKLANDhttp://www.geocaching.com/mark/details.asp?PID=JS4067KIRKLANDGeocacheGeocacheKIRKLANDCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>KIRKLAND</h1> <b> PID </b> JS4067 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> FIDDLETOWN (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 33 01.63385(N) 120 49 06.37591(W) ADJUSTED <br> <b> NAVD 88 </b> 545.3 (meters) 1789. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 11.34 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.30 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 598,775.322 2</td><td>102,991.761</td><td> MT </td><td>0.99995785</td><td> +0 ' 44 41.8"</td></tr><tr><td>SPC CA 2 </td><td>1,964,482.04 6</td><td>899,565.47 </td><td> sFT </td><td>0.99995785</td><td> +0 ' 44 41.8"</td></tr><tr><td>UTM 10 </td><td>4,269,147.979 </td><td>690,105.178</td><td> MT </td><td>1.00004507</td><td> +1 ' 21 35.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99991889 x 0.99995785 = 0.99987674 <br> <b>UTM 10 </b> 0.99991889 x 1.00004507 = 0.99996395 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> GOLD </td><td>304° 48' 16.8"</td></tr><tr><td>UTM 10 </td><td> GOLD </td><td>304° 11' 22.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB1975</td><td>KIRKLAND RM 1 </td><td> 9.757 METERS</td><td>115° 51' </td></tr><tr><td>DB1976</td><td>KIRKLAND RM 2 </td><td> 11.500 METERS</td><td>198° 11' </td></tr><tr><td>JS4068</td><td>GOLD </td><td>APPROX. 2.6 KM</td><td>305° 32' 58.6"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 33 01.61704(N) 120 49 06.36567(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 33 01.95353(N) 120 49 02.59485(W) AD( ) 2 <br> NGVD 29 (07/19/86) 544.5 (m) 1786. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9010569148(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1973 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1973 (GAW) STATION IS LOCATED ABOUT 4.2 MILES WEST OF RIVER PINES AND ABOUT 5.3 MILES NORTHEAST OF PLYMOUTH ON KIRKLAND HILL. <p>TO REACH STATION FROM THE U.S. POST OFFICE IN PLYMOUTH, GO EAST ON MAIN STREET 300 FEET TO HIGHWAY 49, GO EAST ACROSS HIGHWAY 49 FOR 0.55 MILES TO INTERSECTION OF FIDDLETOWN AND SHENANDOAH ROADS, TURN LEFT AND GO NORTHEAST ON SHENANDOAH ROAD 3.35 MILES TO WILLETS ROAD, TURN LEFT (NORTH) AND GO 1.3 MILES TO T INTERSECTION, TURN RIGHT AND GO 0.15 MILE TO GATE ON LEFT, TURN LEFT AND GO INTO KIRKLAND RANCH, PASS BETWEEN HOUSES, THROUGH GATE, AND UPHILL FOR 0.5 MILE TO TOP OF HILL AND STATION ON RIGHT, PERMISSION TO ENTER PROPERTY CAN BE OBTAINED AT HOUSE AT FOOT OF KIRKLAND HILL. <p>STATION MARK IS A DIVISION OF HIGHWAYS BRASS DISK STAMPED KIRKLAND 1973 SET IN AN 11-INCH CONCRETE CYLINDER PROJECTING 3 INCHES, 60.0 FEET SOUTH OF A 48-INCH OAK TREE WHICH IS THE LARGEST TREE IN THE AREA, 66.0 FEET NORTHWEST OF 8-INCH OAK TREE WHICH IS ON THE HIGHEST POINT OF HILL, 75.0 FEET NORTH-NORTHWEST OF HIGHEST POINT ON HILL AND 3.0 FEET LOWER. <p>AN UNDERGROUND MARK IDENTICAL WITH SURFACE DISK WAS SET 3.5 FEET BELOW GROUND. <p>REFERENCE MARK 1 IS A DIVISION OF HIGHWAYS BRASS DISK STAMPED KIRKLAND 1973 RM NO 1 SET IN A 10-INCH CONCRETE CYLINDER PROJECTING 3 INCHES, 20.0 FEET WEST OF THE CENTER LINE OF ROAD, 48.0 FEET NORTHWEST OF AN 8-INCH OAK WHICH IS HIGHEST TREE ON HILL, 72.0 FEET SOUTHEAST OF A 48-INCH OAK WHICH IS THE LARGEST TREE ON THE HILL, THE REFERENCE MARK IS 1.0 FOOT HIGHER THAN STATION. <p>REFERENCE MARK 2 IS A DIVISION OF HIGHWAYS BRASS DISK STAMPED KIRKLAND 1973 RM NO 2 SET IN AN 11-INCH CONCRETE CYLINDER FLUSH WITH GROUND, 6.0 FEET SOUTHEAST OF THE TOP OF SMALL CUT ALONG NORTHWEST SIDE OF HILL TOP, 50.0 FEET WEST OF 8-INCH OAK WHICH IS THE HIGHEST TREE ON HILL, REFERENCE MARK IS 1.5 FEET HIGHER THAN STATION. <p>NO AZIMUTH MARK WAS SET. <p>HEIGHT OF LIGHT ABOVE STATION MARK 1.38 METERS. JS0350L 184http://www.geocaching.com/mark/details.asp?PID=JS0350L 184GeocacheGeocacheL 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>L 184</h1> <b> PID </b> JS0350 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 29 21. (N) 120 30 57. (W) SCALED <br> <b> NAVD 88 </b> 1185.83 (+/-2cm) 3890.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.49 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 592,360. </td><td> 2,129,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1184.93 (m) 3887.6 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH166630(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: L 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 12.2 MI NE FROM PINE GROVE. 12.2 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM PINE GROVE, AMADOR COUNTY, ABOUT 100 FEET WEST OF AN 18-INCH PIPE CULVERT, 37 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, AND 19 FEET SOUTHWEST OF A 40-INCH FIR TREE. A STANDARD DISK, STAMPED L 184 1934 AND SET IN THE TOP OF A CONCRETE POST. JS0369L 189http://www.geocaching.com/mark/details.asp?PID=JS0369L 189GeocacheGeocacheL 189CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>L 189</h1> <b> PID </b> JS0369 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 21 32. (N) 120 49 21. (W) SCALED <br> <b> NAVD 88 </b> 402.43 (+/-2cm) 1320.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.13 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 577,510. </td><td> 2,102,910. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 401.66 (m) 1317.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH902478(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: L 189 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 3.3 MI W FROM JACKSON. 3.3 MILES WEST ALONG STATE HIGHWAY 88 FROM JACKSON, AMADOR COUNTY, AT CROSSING 12+9.9 OF THE AMADOR CENTRAL RAILROAD, 53 FEET WEST OF THE CENTERLINE OF THE TRACK, 34 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, AND 27.3 FEET SOUTHWEST OF A POWER POLE. A STANDARD DISK, STAMPED L 189 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (JLK) MARK NOT FOUND. JS0640L 202http://www.geocaching.com/mark/details.asp?PID=JS0640L 202GeocacheGeocacheL 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>L 202</h1> <b> PID </b> JS0640 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> FIDDLETOWN (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 32 09. (N) 120 50 51. (W) SCALED <br> <b> NAVD 88 </b> 269.67 (+/-2cm) 884.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.52 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 597,120. </td><td> 2,100,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 268.887 (m) 882.17 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH876674(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: L 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1949 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1949 3.8 MI N FROM PLYMOUTH. 3.8 MILES NORTH ALONG STATE HIGHWAY 49 FROM PLYMOUTH, AMADOR COUNTY, ABOUT 300 FEET NORTH OF A HOUSE, 42 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, AND 2 FEET EAST OF A FENCE. A STANDARD DISK, STAMPED L 202 1935 AND SET IN THE TOP OF A CONCRETE POST. JS0387L 795http://www.geocaching.com/mark/details.asp?PID=JS0387L 795GeocacheGeocacheL 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>L 795</h1> <b> PID </b> JS0387 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 19. (N) 120 56 02. (W) SCALED <br> <b> NAVD 88 </b> 100.42 (+/-2cm) 329.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.68 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 575,140. </td><td> 2,093,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 99.692 (m) 327.07 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH805454(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: L 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1962 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 1 MI S FROM IONE. 0.9 MILE SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 0.1 MILE SOUTHEAST ALONG AN ASPHALT ROAD (A FORMER ALIGNMENT OF THE HIGHWAY), AT THE JUNCTION OF ROADS LEADING NORTHEAST AND NORTH, 32 FEET NORTHEAST OF THE CENTER LINE OF THE ASPHALT ROAD, 33 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD LEADING NORTH, 84 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD LEADING NORTHEAST, 1.1 FEET NORTHWEST OF A WITNESS POST, ABOUT 2 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1962 RECOVERED IN GOOD CONDITION. JS0348L 918http://www.geocaching.com/mark/details.asp?PID=JS0348L 918GeocacheGeocacheL 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>L 918</h1> <b> PID </b> JS0348 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 15. (N) 120 33 30. (W) SCALED <br> <b> NAVD 88 </b> 767.53 (+/-2cm) 2518.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.15 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,720. </td><td> 2,125,890. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 766.693 (m) 2515.39 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH131553(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: L 918 1957 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 2.2 MI SE FROM PIONEER. 0.1 MILE WEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, THENCE 2.1 MILES SOUTHEAST ALONG A PAVED ROAD, 0.2 MILE NORTH OF THE T JUNCTION OF AN EAST-WEST PAVED ROAD, IN R 13 E, T 7 N, IN THE NORTHWEST QUARTER OF SECTION 33, ON THE OUTSIDE OF A SHARP CURVE, AT THE Y JUNCTION OF A BLADED FIRE ROAD LEADING EAST, IN THE TOP OF A GRANITE OUTCROP, 23 1/2 FEET NORTHEAST OF THE CENTER LINE OF THE PAVED ROAD, 19.7 FEET EAST OF THE CENTER OF THE NORTH END OF A 30-INCH STEEL PIPE CULVERT, 8 1/2 FEET NORTH OF THE CENTER LINE OF THE BLADED ROAD, AND ABOUT 6 FEET HIGHER THAN THE ROADS. AC9222M 1 USGS RESEThttp://www.geocaching.com/mark/details.asp?PID=AC9222M 1 USGS RESETGeocacheGeocacheM 1 USGS RESETCADHUSGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 1 USGS RESET</h1> <b> PID </b> AC9222 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IRISH HILL (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 22 42.83226(N) 120 59 05.90323(W) ADJUSTED <br> <b> NAVD 88 </b> 89.83 (meters) 294.7 (feet) LEVELING <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,577,410.857 (meters) COMP <br> <b> Y </b> -4,292,081.423 (meters) COMP <br> <b> Z </b> 3,938,508.351 (meters) COMP <br> <b> LAPLACE CORR</b> 4.11 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 60.14 (meters) (06/13/97) GPS OBS <br> <b> GEOID HEIGHT</b> -29.69 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> VERT ORDER </b> THIRD ? <br> <b> ELLP ORDER </b> FOURTH CLASS II <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in June 1997. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling. The vertical network tie was performed by a horz. field party for horz. obs reductions. Reset procedures were used to establish the elevation. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 579,520.965 2</td><td>088,689.337</td><td> MT </td><td>0.99999005</td><td> +0 ' 38 23.8"</td></tr><tr><td>SPC CA 2 </td><td>1,901,311.70 6</td><td>852,641.60 </td><td> sFT </td><td>0.99999005</td><td> +0 ' 38 23.8"</td></tr><tr><td>UTM 10 </td><td>4,249,740.898 </td><td>676,009.063</td><td> MT </td><td>0.99998153</td><td> +1 ' 15 04.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99999056 x 0.99999005 = 0.99998061 <br> <b>UTM 10 </b> 0.99999056 x 0.99998153 = 0.99997209 <br> <p> <h2>Superseded Survey Control</h2>
<p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH7600949741(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M1 1923 RESET 1970 <br>MARK LOGO: USGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - January 20, 1994 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1970 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>19920610</td><td>GOOD </td><td>CADT</td></tr><tr><td>19940120</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1992 (PDG) TEXT SUPERSEDED BY LATER RECOVERY. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (JCB) THE STATION IS LOCATED AT THE INTERSECTION OF STATE HIGHWAY 104 AND IONE-MICHIGAN BAR ROAD, ABOUT 31 MI (49.9 KM) SOUTHEAST OF SACRAMENTO, 12 MI (19.3 KM) WEST-NORTHWEST OF JACKSON AND 4 MI (6.4 KM) NORTHWEST OF IONE. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 16 AND 49, ABOUT 10 MI (16.1 KM) NORTHWEST OF JACKSON, GO WEST ON HIGHWAY 16 FOR 0.3 MI (0.5 KM) TO A SIDE ROAD LEFT, STATE HIGHWAY 124. TURN LEFT AND GO SOUTH ON HIGHWAY 124 FOR 8.0 MI (12.9 KM) TO A T-INTERSECTION WITH STATE HIGHWAY 104. TURN RIGHT AND GO NORTHWEST ON HIGHWAY 104 FOR 3.3 MI (5.3 KM) TO THE Y-INTERSECTION WITH NORTHWEST-BOUND IONE-MICHIGAN BAR ROAD ON THE RIGHT AND THE STATION ON THE LEFT. THE STATION IS 0.1 MI (0.2 KM) SOUTHEAST OF THE T-INTERSECTION OF HIGHWAY 104 AND SOUTHEAST-BOUND IONE-MICHIGAN BAR ROAD. THE STATION IS A USGS BENCH MARK DISK SET IN A CONCRETE POST FLUSH WITH THE GROUND, 70 FT (21.3 M) (MEASURED ALONG THE CENTERLINE OF HIGHWAY 104) SOUTHEAST OF THE POINT WHERE THE SOUTHWEST EDGE OF PAVEMENT OF NORTHWEST-BOUND IONE-MICHIGAN BAR ROAD JOINS THE NORTH EDGE OF PAVEMENT OF HIGHWAY 104, 30.3 FT (9.2 M) NORTHEAST OF A BARBED WIRE AND WIRE MESH R/W FENCE, 29.6 FT (9.0 M) SOUTHWEST OF THE CENTERLINE OF HIGHWAY 104, 1.3 FT (0.4 M) WEST OF A METAL WITNESS POST AND LEVEL WITH HIGHWAY 104. THIS STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. JS0351M 184http://www.geocaching.com/mark/details.asp?PID=JS0351M 184GeocacheGeocacheM 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 184</h1> <b> PID </b> JS0351 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 27 50. (N) 120 31 41. (W) SCALED <br> <b> NAVD 88 </b> 1068.99 (+/-2cm) 3507.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.70 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 589,540. </td><td> 2,128,460. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1068.12 (m) 3504.3 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH156601(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 10.3 MI NE FROM PINE GROVE. 10.3 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM PINE GROVE, AMADOR COUNTY, 66 FEET NORTHEAST OF A 16-INCH PINE TREE AT A FENCE CORNER, 40 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND 2 FEET WEST OF THE FENCE LINE. A STANDARD DISK, STAMPED M 184 1934 AND SET IN THE TOP OF A CONCRETE POST. JS0371M 189 RESET 1957http://www.geocaching.com/mark/details.asp?PID=JS0371M 189 RESET 1957GeocacheGeocacheM 189 RESET 1957CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 189 RESET 1957</h1> <b> PID </b> JS0371 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 52. (N) 120 51 03. (W) SCALED <br> <b> NAVD 88 </b> 352.02 (+/-2cm) 1154.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.32 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,240. </td><td> 2,100,450. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 351.26 (m) 1152.4 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH878465(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M 189 RESET 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CADH</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1957 5.1 MI W FROM JACKSON. 5.1 MILES WEST ALONG STATE HIGHWAY 88 FROM JACKSON, 45 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AND SET IN TOP OF A CONCRETE POST. JS0385M 2 USGShttp://www.geocaching.com/mark/details.asp?PID=JS0385M 2 USGSGeocacheGeocacheM 2 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 2 USGS</h1> <b> PID </b> JS0385 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 21 09. (N) 120 56 02. (W) SCALED <br> <b> NAVD 88 </b> 91.44 (+/-2cm) 300.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.63 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,680. </td><td> 2,093,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 90.72 (m) 297.6 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH805469(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: SIDEWALK <br>STAMPING: M 2 297 1923 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1923 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1962 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 AT IONE. AT IONE, ACROSS STATE HIGHWAY 104 FROM THE POST OFFICE, AT THE GOLDEN STAR HOTEL, IN THE TOP OF THE CONCRETE SIDEWALK, 11.0 FEET SOUTHEAST OF THE SOUTHEAST FACE OF THE BUILDING, 0.4 FOOT EAST OF THE EAST CORNER OF THE THIRD CONCRETE PIER NORTHEAST OF THE SOUTHWEST CORNER OF THE SUN PORCH, 0.3 FOOT NORTHWEST OF THE SOUTHEAST EDGE OF THE SIDEWALK, AND ABOUT 2 1/2 FEET HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1962 RECOVERED IN GOOD CONDITION. JS0641M 202http://www.geocaching.com/mark/details.asp?PID=JS0641M 202GeocacheGeocacheM 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 202</h1> <b> PID </b> JS0641 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> FIDDLETOWN (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 33. (N) 120 50 55. (W) SCALED <br> <b> NAVD 88 </b> 283.42 (+/-2cm) 929.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.63 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 594,160. </td><td> 2,100,420. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 282.632 (m) 927.27 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH875645(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 2 MI N FROM PLYMOUTH. 2.0 MILES NORTH ALONG STATE HIGHWAY 49 FROM PLYMOUTH, AMADOR COUNTY, 177 FEET NORTH OF THE EAST END OF AN 18-INCH PIPE CULVERT, 38 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND ABOUT 5 FEET LOWER THAN THE ROADWAY. A STANDARD DISK, STAMPED M 202 1935 AND SET IN THE TOP OF A CONCRETE POST. JS0380M 293 CAGShttp://www.geocaching.com/mark/details.asp?PID=JS0380M 293 CAGSGeocacheGeocacheM 293 CAGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 293 CAGS</h1> <b> PID </b> JS0380 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IRISH HILL (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 22 43. (N) 120 59 05. (W) SCALED <br> <b> NAVD 88 </b> 90.27 (+/-2cm) 296.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.69 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 579,530. </td><td> 2,088,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 89.55 (m) 293.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH760497(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: MI 1923 293 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1923 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 3.4 MI NW FROM IONE. 3.4 MILES NORTHWEST ALONG STATE HIGHWAY 104 FROM THE POST OFFICE AT IONE, 75 FEET SOUTHEAST OF THE CENTER OF THE Y JUNCTION OF STATE HIGHWAY 104 AND MEISS ROAD LEADING NORTHWEST TO SACRAMENTO, 0.15 MILE NORTH ACROSS COUNTY FROM THE CROSSING OF A PRIVATE PAVED ROAD AND THE SOUTHERN PACIFIC COMPANY RAILROAD, IN THE TOP OF THE WEST END OF THE SOUTH CONCRETE HEAD WALL OF 12-INCH CORRUGATED METAL PIPE CULVERT A-131+95, 16 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 0.6 FOOT EAST OF THE WEST END OF THE HEAD WALL, AND ABOUT LEVEL WITH THE HIGHWAY. TO REACH FROM MILEPOLE 135 OF THE SOUTHERN PACIFIC COMPANY RAILROAD GO 5 POLES WEST TO THE CROSSING OF A PRIVATE ROAD, THENCE NORTH ACROSS COUNTY TO THE HIGHWAY. NOTE-- PREVIOUSLY DESIGNATED M 293 (USGS AND SS). NOTE-- STAMPING DIFFERS FROM ORIGINAL DESCRIPTION 12/1/66. JS0391M 3 USGShttp://www.geocaching.com/mark/details.asp?PID=JS0391M 3 USGSGeocacheGeocacheM 3 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 3 USGS</h1> <b> PID </b> JS0391 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 17 40. (N) 120 54 48. (W) SCALED <br> <b> NAVD 88 </b> 90.57 (+/-2cm) 297.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.77 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 570,260. </td><td> 2,095,060. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 89.85 (m) 294.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH824405(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M 3 1923 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - April 11, 2005 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1923 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>20050411</td><td>GOOD </td><td>CONDOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 4.4 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 2.9 MILES SOUTHEAST ALONG A PAVED ROAD, AT THE INTERSECTION OF A PAVED ROAD, AT BUENA VISTA, 32 FEET NORTH OF THE CENTER LINE OF THE PAVED ROAD LEADING WEST, 32 FEET WEST OF THE CENTER LINE OF THE PAVED ROAD LEADING NORTH, 80.9 FEET NORTHWEST AND ACROSS THE NORTH-SOUTH PAVED ROAD FROM THE BUENA VISTA CORNER GROCERY BUILDING, 13 FEET NORTH OF A POWER LINE POLE SUPPORTING A STREET LIGHT, 13 FEET NORTH OF A FENCE CORNER, 1.0 FOOT EAST OF A WITNESS POST, 0.2 FOOT WEST OF A BOARD FENCE, ABOUT LEVEL WITH THE ROADS, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (2005) </h2> <p>RECOVERY NOTE BY CONDOR TECHNOLOGIES 2005 (DLS) A WHITE PICKET FENCE STRADDLES THE MARK. JS0388M 795http://www.geocaching.com/mark/details.asp?PID=JS0388M 795GeocacheGeocacheM 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 795</h1> <b> PID </b> JS0388 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 37. (N) 120 55 45. (W) SCALED <br> <b> NAVD 88 </b> 105.54 (+/-2cm) 346.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.70 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 573,850. </td><td> 2,093,630. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 104.815 (m) 343.88 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH810441(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: M 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1962 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 2 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 0.15 MILE SOUTHEAST ALONG A PAVED ROAD, THENCE 0.35 MILE SOUTHEAST ALONG A FORMER ALIGNMENT OF THE PAVED ROAD, 0.3 MILE SOUTHEAST OF A PAVED ROAD LEADING NORTHEAST, AT THE SUMMIT OF A GRADE, AT THE NORTHWEST END AND ON THE OUTSIDE OF A CURVE, 35 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 2.0 FEET NORTHEAST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1962 RECOVERED IN GOOD CONDITION. JS0386M 954http://www.geocaching.com/mark/details.asp?PID=JS0386M 954GeocacheGeocacheM 954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>M 954</h1> <b> PID </b> JS0386 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 22. (N) 120 56 05. (W) SCALED <br> <b> NAVD 88 </b> 97.63 (+/-2cm) 320.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.68 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 575,230. </td><td> 2,093,130. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 96.908 (m) 317.94 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH804454(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: M 954 1962 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1962 0.9 MI S FROM IONE. 0.9 MILE SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, 0.05 MILE SOUTH OF THE CROSSING OF THE IONE AMADOR CENTRAL RAILROAD, 0.1 MILE NORTHWEST OF BENCH MARK L 795, AT THE JUNCTION OF AN ASPHALT ROAD (FORMER ALIGNMENT OF THE HIGHWAY), IN THE TOP AND 0.5 FOOT SOUTH OF THE NORTH END OF THE EAST CONCRETE HEAD WALL OF A PIPE CULVERT, 23 FEET EAST OF THE CENTER LINE OF THE HIGHWAY, 47 FEET SOUTH OF THE CENTER LINE OF THE ROAD, AND ABOUT 2 FEET LOWER THAN THE HIGHWAY. JS4031MARREhttp://www.geocaching.com/mark/details.asp?PID=JS4031MARREGeocacheGeocacheMARRECADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MARRE</h1> <b> PID </b> JS4031 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 24 29.34160(N) 120 47 13.37800(W) ADJUSTED <br> <b> NAVD 88 </b> 530.3 (meters) 1740. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 10.79 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.73 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 583,016.772 2</td><td>105,938.409</td><td> MT </td><td>0.99998388</td><td> +0 ' 45 53.0"</td></tr><tr><td>SPC CA 2 </td><td>1,912,780.86 6</td><td>909,232.93 </td><td> sFT </td><td>0.99998388</td><td> +0 ' 45 53.0"</td></tr><tr><td>UTM 10 </td><td>4,253,420.553 </td><td>693,220.449</td><td> MT </td><td>1.00005979</td><td> +1 ' 22 30.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99992131 x 0.99998388 = 0.99990519 <br> <b>UTM 10 </b> 0.99992131 x 1.00005979 = 0.99998109 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> MARRE AZ MK </td><td>200° 16' 37.4"</td></tr><tr><td>UTM 10 </td><td> MARRE AZ MK </td><td>199° 39' 59.5"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS4004</td><td>MT ZION LOOKOUT TOWER </td><td>APPROX.11.9 KM</td><td>099° 41' 16.4"</td></tr><tr><td>JS3999</td><td>JACKSON BUTTE RADIO MAST </td><td>APPROX. 9.5 KM</td><td>142° 46' 47.2"</td></tr><tr><td>DB2064</td><td>MARRE AZ MK </td><td> </td><td>201° 02' 30.4"</td></tr><tr><td>DB2066</td><td>MARRE RM 2 </td><td> 13.177 METERS</td><td>228° 07' </td></tr><tr><td>DB2065</td><td>MARRE RM 1 </td><td> 13.340 METERS</td><td>329° 33' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 24 29.32480(N) 120 47 13.37198(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 24 29.64224(N) 120 47 09.60576(W) AD( ) 2 <br> NGVD 29 (07/19/86) 529.5 (m) 1737. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9322053421(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: TOP OF SQUARE CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS LOCATED ON THE HIGHEST PART OF A RIDGE ABOUT 1.5 MILES NORTHEAST OF SUTTER CREEK IN THE NORTHEAST QUARTER OF SECTION 5, T6N, R11E, MOUNT DIABLO MERIDIAN. THE LAND IS OWNED BY MR. FRED MARRE OF SUTTER CREEK. <p>TO REACH THE STATION FROM SUTTER CREEK POST OFFICE IN AMADOR COUNTY, GO NORTH ON STATE ROUTE 49 FOR 0.15 MILE TO A ROAD FORK, TAKE LEFT FORK (ROUTE 49) AND GO 0.25 MILE TO A ROAD FORK, TAKE RIGHT FORK (AMADOR ROAD) AND GO 0.5 MILE TO A WOODEN CORRAL AND A LOCKED GATE ON THE RIGHT, GO THROUGH LOCKED GATE AND GO NORTHEAST ALONG A DIM EARTH ROAD FOR 0.1 MILE TO A WIRE GATE, GO THROUGH WIRE GATE AND GO 0.3 MILE TO A WIRE GATE, GO THROUGH WIRE GATE AND GO 0.45 MILE TO A SADDLE, LEAVE ROAD AND GO RIGHT AND UP TO A RIDGE LEADING NORTHEAST AND GO 0.3 MILE TO A LATERAL FENCE, PARK AND WALK 200 FEET NORTHEAST ALONG RIDGE TO THE STATION. STATION IS APPROXIMATELY 40 FEET SOUTHWEST OF A LONE OAK TREE AT THE HIGH POINT ON THE RIDGE. <p>TO REACH THE AZIMUTH MARK FROM THE SAME POST OFFICE, GO SOUTH ON STATE ROUTE 49 FOR 1.45 MILES TO INTERSECTION WITH RIDGE ROAD AT SUTTER HILL, THEN 283 FEET SOUTH ON STATE ROUTE 49. THE AZIMUTH MARK IS 72.4 FEET LEFT OF ROUTE 49 CENTERLINE AT THIS POINT. <p>STATION MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MARRE 1972 SET IN AN 11 INCH CONCRETE CYLINDER THAT PROJECTS 0.1 FOOT ABOVE GROUND. IT IS 30 FEET SOUTHWEST OF A LONE DOUBLE TRUNKED OAK TREE AND 218 FEET NORTHEAST OF A BARBED WIRE FENCE. IT IS ABOUT 1 FOOT LOWER THAN THE BASE OF THE OAK TREE MENTIONED EARLIER. <p>REFERENCE MARK 1 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MARRE RM 1 1972 SET IN A 9 INCH CONCRETE CYLINDER THAT PROJECTS 0.1 FOOT ABOVE THE SURROUNDING GROUND. IT IS ABOUT 2 FEET LOWER THAN THE STATION MARK. <p>REFERENCE MARK 2 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MARRE RM 2 1972 SET IN AN 11 INCH CONCRETE CYLINDER THAT PROJECTS 0.2 FOOT ABOVE THE SURROUNDING GROUND. IT IS 2 FEET LOWER THAN THE STATION MARK. <p>THE AZIMUTH MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MARRE AZI 1972 EPOXIED IN A DRILL HOLE IN A LARGE ROCK OUTCROPPING THAT PROJECTS ABOUT 4 INCHES ABOVE THE SURROUNDING GROUND. IT IS 72.4 FEET EAST OF STATE ROUTE 49 CENTERLINE, 26 FEET NORTH OF THE NORTHEAST CORNER AND 23.2 FEET NORTH OF THE WEST CORNER OF THE UNITED FARM AGENCY REAL ESTATE OFFICE BUILDING. <p>THE UNDERGROUND MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MARRE 1972 SET IN CONCRETE 22 INCHES BELOW GROUND. JS4032MARTELL WINTON LUMBER CO TANKhttp://www.geocaching.com/mark/details.asp?PID=JS4032MARTELL WINTON LUMBER CO TANKGeocacheGeocacheMARTELL WINTON LUMBER CO TANKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MARTELL WINTON LUMBER CO TANK</h1> <b> PID </b> JS4032 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 22 10.98230(N) 120 48 05.30491(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 10.06 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.97 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 578,734.254 2</td><td>104,734.948</td><td> MT </td><td>0.99999195</td><td> +0 ' 45 20.3"</td></tr><tr><td>SPC CA 2 </td><td>1,898,730.63 6</td><td>905,284.58 </td><td> sFT </td><td>0.99999195</td><td> +0 ' 45 20.3"</td></tr><tr><td>SPC CA 3 </td><td> 707,552.149 1</td><td>973,654.701</td><td> MT </td><td>0.99998739</td><td> -0 ' 11 04.5"</td></tr><tr><td>SPC CA 3 </td><td>2,321,360.68 6</td><td>475,232.13 </td><td> sFT </td><td>0.99998739</td><td> -0 ' 11 04.5"</td></tr><tr><td>UTM 10 </td><td>4,249,125.169 </td><td>692,062.569</td><td> MT </td><td>1.00005430</td><td> +1 ' 21 54.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 22 10.96676(N) 120 48 05.30048(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 22 11.27300(N) 120 48 01.52300(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9206349125(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1955 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1955 (LSB) THE STATION IS THE CENTER OF THE TOP OF THE WINTON LUMBER CO. WATER TANK, AS MARKED BY THE TWIN RED AIRCRAFT WARNING LIGHTS ON TOP. THE TANK IS AN ELEVATED ELLIPSOIDAL TANK PAINTED GREY. IT IS 135 FEET HIGH OVERALL, 35 FEET IN DIAMETER, AND HAS A CAPACITY OF 100,000 GALLONS. IT IS APPROXIMATELY 1/4 MILE NORTHWEST OF THE JUNCTION OF STATE ROUTE 88 WITH STATE ROUTE 49 AT MARTELL. JS3937MOKELUMNE PEAKhttp://www.geocaching.com/mark/details.asp?PID=JS3937MOKELUMNE PEAKGeocacheGeocacheMOKELUMNE PEAKUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MOKELUMNE PEAK</h1> <b> PID </b> JS3937 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE PEAK (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 32 17.38156(N) 120 05 39.96750(W) ADJUSTED <br> <b> NAVD 88 </b> 2845.9 (meters) 9337. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.74 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -24.28 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 598,483.017 2</td><td>166,121.086</td><td> MT </td><td>0.99995986</td><td> +1 ' 12 05.0"</td></tr><tr><td>SPC CA 2 </td><td>1,963,523.03 7</td><td>106,682.26 </td><td> sFT </td><td>0.99995986</td><td> +1 ' 12 05.0"</td></tr><tr><td>UTM 10 </td><td>4,269,530.565 </td><td>753,249.835</td><td> MT </td><td>1.00038989</td><td> +1 ' 48 40.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99955748 x 0.99995986 = 0.99951735 <br> <b>UTM 10 </b> 0.99955748 x 1.00038989 = 0.99994719 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> BLUE MTN </td><td>226° 12' 11.0"</td></tr><tr><td>UTM 10 </td><td> BLUE MTN </td><td>225° 35' 35.6"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS3934</td><td>THIMBLE PEAK RADIO MAST </td><td>APPROX.13.5 KM</td><td>020° 37' 58.4"</td></tr><tr><td>DB2104</td><td>MOKELUMNE PEAK RM 1 </td><td> 6.104 METERS</td><td>201° 29' </td></tr><tr><td>JS3989</td><td>BLUE MTN </td><td>APPROX.32.1 KM</td><td>227° 24' 16.0"</td></tr><tr><td>DB2105</td><td>MOKELUMNE PEAK RM 2 </td><td> 6.787 METERS</td><td>297° 40' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 32 17.35015(N) 120 05 39.96145(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 32 17.67499(N) 120 05 36.28602(W) AD( ) 2 <br> NGVD 29 (07/19/86) 2844.6 (m) 9333. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH5325069531(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1956 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1972 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1956 STATION MARK--STANDARD TABLET STAMPED---MOKELUMNE PEAK 1956---, CEMENTED IN DRILL HOLE IN SIDE OF ROCK. <p>RM 1--STANDARD RM TABLET STAMPED---NO 1 1956---, CEMENTED IN DRILL HOLE IN TOP OF LARGE ROCK. <p>RM 2--STANDARD RM TABLET STAMPED---NO 2 1956---, CEMENTED IN DRILL HOLE IN TOP OF LARGE BOULDER. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 (RMB) THE STATION IS LOCATED IN THE MOKELUMNE WILDERNESS AREA OF THE EL DORADO NATIONAL FOREST. IT IS ON A HIGH, ROCKY, BARREN AND VERY PROMINENT PEAK KNOWN AS MOKELUMNE PEAK AND IS 6 MILES NORTH-NORTHWEST OF BEAR VALLEY. IT IS IN THE SOUTHWEST QUARTER OF SECTION 15, T8N, R17E, MOUNT DIABLO MERIDIAN. <p>THE STATION WAS REACHED BY HELICOPTER. <p>THE STATION MARK IS A USGS BENCH MARK BRASS DISK, STAMPED MOKELUMNE PEAK 1956, CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS 0.5 FOOT BELOW THE SURROUNDING BOULDERS THAT ARE THE HIGHEST POINT ON THE HILL. IT IS LOCATED 7 FEET NORTHEAST OF A SMALL AREA THAT HAS BEEN CLEARED OF ALL ROCKS. <p>REFERENCE MARK 1 IS A USGS REFERENCE MARK BRASS DISK, STAMPED NO 1 1956, CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS LOCATED 9 FEET SOUTHWEST OF THE SMALL CLEARED AREA AND IS ABOUT 1.5 FEET LOWER THAN THE STATION. <p>REFERENCE MARK 2 IS A USGS REFERENCE MARK BRASS DISK, STAMPED NO 2 1956, CEMENTED IN A DRILL HOLE IN THE LARGEST BOULDER ON THE PEAK AND IS 1.9 FEET LOWER THAN THE STATION. <p>THE INTERSECTION STATION, THIMBLE RIDGE ANTENNA, IS A RADIO INSTALLATION 8.5 MILES NORTH-NORTHEAST OF THE STATION. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. STATION REACHED BY HELICOPTER. THERE IS A GOOD LANDING SITE 100 FT W. OF STATION. MOKELUMNE CAIRN ESTABLISHED BY USGS IN 1890 WAS REPORTED DESTROYED. <p>LOCATED 6 MI NNW. OF BEAR VALLEY IN MOKELUMNE WILDERNESS AREA OF EL DORADO NATIONAL FOREST. ON HIGH, ROCKY, BARREN, VERY PROMINENT PEAK KNOWN AS MOKELUMNE PEAK, IN SOUTHWEST 1/4 SECTION 15, T8N, R17E. JS4001MT ZIONhttp://www.geocaching.com/mark/details.asp?PID=JS4001MT ZIONGeocacheGeocacheMT ZIONCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MT ZION</h1> <b> PID </b> JS4001 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 23 23.47459(N) 120 39 08.86698(W) ADJUSTED <br> <b> NAVD 88 </b> 903.4 (meters) 2964. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 12.81 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.93 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 581,151.644 2</td><td>117,722.403</td><td> MT </td><td>0.99998766</td><td> +0 ' 50 58.5"</td></tr><tr><td>SPC CA 2 </td><td>1,906,661.69 6</td><td>947,894.25 </td><td> sFT </td><td>0.99998766</td><td> +0 ' 50 58.5"</td></tr><tr><td>UTM 10 </td><td>4,251,680.736 </td><td>705,024.833</td><td> MT </td><td>1.00011770</td><td> +1 ' 27 30.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99986265 x 0.99998766 = 0.99985031 <br> <b>UTM 10 </b> 0.99986265 x 1.00011770 = 0.99998033 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> JACKSON 2 </td><td>226° 17' 31.3"</td></tr><tr><td>UTM 10 </td><td> JACKSON 2 </td><td>225° 40' 59.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB2155</td><td>MT ZION RM 1 </td><td> 14.453 METERS</td><td>042° 37' </td></tr><tr><td>DB2156</td><td>MT ZION RM 2 </td><td> 43.522 METERS</td><td>175° 59' </td></tr><tr><td>JS4003</td><td>MT ZION ECC </td><td>225.994 METERS</td><td>185° 34' </td></tr><tr><td>JS3998</td><td>JACKSON 2 </td><td>APPROX. 8.2 KM</td><td>227° 08' 29.8"</td></tr><tr><td>JS3999</td><td>JACKSON BUTTE RADIO MAST </td><td>APPROX. 8.2 KM</td><td>227° 22' 35.5"</td></tr><tr><td>JS4002</td><td>MT ZION ECC 2 </td><td> 11.606 METERS</td><td>351° 10' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 23 23.45346(N) 120 39 08.86276(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 23 23.77440(N) 120 39 05.11138(W) AD( ) 2 <br> NGVD 29 (07/19/86) 902.6 (m) 2961. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH0502551681(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: TOP OF SQUARE CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS 1.6 MILES SOUTH-SOUTHEAST OF PINE GROVE ON A HILL KNOWN AS MT. ZION, AND IS NEAR THE EAST 1/4 CORNER OF SECTION 9, T6N, R12E, MOUNT DIABLO MERIDIAN ON LAND OWNED BY CALIFORNIA STATE DIVISION OF FORESTRY. <p>TO REACH THE STATION FROM PINE GROVE POST OFFICE IN AMADOR COUNTY, GO EAST ON STATE ROUTE 88 FOR 0.8 MILE TO MT. ZION ROAD, TURN RIGHT ON AN EARTH ROAD AND GO 1.1 MILES TO A LOCKED STEEL GATE,* GO THROUGH GATE AND GO 0.3 MILE TO TOP OF RIDGE TO CALIFORNIA DIVISION OF FORESTRY LOOKOUT TOWER AND THE STATION. <p>STATION MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION 1972 SET IN A 10 INCH CONCRETE CYLINDER ABOUT 0.2 FOOT BELOW GROUND. IT IS LOCATED 47.5 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF THE MT. ZION LOOKOUT TOWER, 29.0 FEET WEST-SOUTHWEST OF THE DRIVEWAY, 28.2 FEET SOUTHEAST OF THE NORTHWEST CORNER OF A CONCRETE WATER TANK FOOTING, 24.0 FEET NORTHEAST OF A 12 INCH PINE TREE AND IT IS 6.5 FEET LOWER THAN THE HIGH POINT ON THE HILL. <p>REFERENCE MARK 1 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION RM 1 1972 EPOXIED IN A DRILL HOLE IN THE SOUTHWEST LOOKOUT TOWER FOOTING AND IS ABOUT 2.5 FEET ABOVE THE GROUND. IT IS LOCATED 14.0 FEET WEST-NORTHWEST OF THE DRIVEWAY, 58.5 FEET NORTH-NORTHEAST OF THE NORTHWEST CORNER OF A CONCRETE WATER TANK FOOTING. IT IS ABOUT 3 FEET HIGHER THAN THE DRIVEWAY. IT IS 7 FEET HIGHER THAN THE STATION MARK. <p>REFERENCE MARK 2 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION RM 2 1972 EPOXIED IN A DRILL HOLE IN A 2 X 2 FOOT ABANDONED GUY WIRE ANCHOR FOOTING ABOUT 0.2 FOOT ABOVE THE GROUND. IT IS LOCATED 42.0 FEET WEST-NORTHWEST OF THE DRIVEWAY, 34.0 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF A WHITE WOODEN STORAGE BUILDING, 58.0 FEET WEST OF THE SOUTHWEST CORNER OF A GREEN METAL RADIO CONTROL BUILDING AND IS 9 FEET LOWER THAN THE DRIVEWAY AND 7 FEET LOWER THAN THE STATION. <p>THE UNDERGROUND MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION 1972 SET IN CONCRETE 27 INCHES BELOW GROUND. <p>*KEY CAN BE OBTAINED FROM THE CALIFORNIA DIVISION OF FORESTRY IN MT. ZION. JS4807MT ZIONhttp://www.geocaching.com/mark/details.asp?PID=JS4807MT ZIONGeocacheGeocacheMT ZIONUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MT ZION</h1> <b> PID </b> JS4807 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 23 23.89407(N) 120 39 08.35519(W) ADJUSTED <br> <b> NAVD 88 </b> 906.4 (meters) 2974. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 12.81 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.93 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 581,164.761 2</td><td>117,734.630</td><td> MT </td><td>0.99998764</td><td> +0 ' 50 58.8"</td></tr><tr><td>SPC CA 2 </td><td>1,906,704.72 6</td><td>947,934.37 </td><td> sFT </td><td>0.99998764</td><td> +0 ' 50 58.8"</td></tr><tr><td>UTM 10 </td><td>4,251,693.984 </td><td>705,036.922</td><td> MT </td><td>1.00011776</td><td> +1 ' 27 30.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99986218 x 0.99998764 = 0.99984982 <br> <b>UTM 10 </b> 0.99986218 x 1.00011776 = 0.99997992 <br> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB2155</td><td>MT ZION RM 1 </td><td> 8.315 METERS</td><td>121° 30' </td></tr><tr><td>DB2156</td><td>MT ZION RM 2 </td><td> 72.174 METERS</td><td>189° 30' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 23 23.87648(N) 120 39 08.33489(W) AD(1984.00) 3 <br> NGVD 29 (03/12/93) 905.6 (m) 2971. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH0503751694(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL <br>WITH SETTING: INFORMATION. <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1946 </td><td>MONUMENTED </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1946 LOCATED ABOUT 7 MI NE. OF JACKSON. ON HIGH PARTIALLY-TIMBERED HILL AT MT ZION LOT, 100 FT S. OF RANGER STATION AND 100 FT N. OF GARAGE. <p>TO REACH FROM PINE GROVE POST OFFICE, GO 0.6 MI E. TO RD. TO LOT. TURN RIGHT 1.3 MI TO TOP OF HILL AND STATION. <p>STATION MARK--STANDARD TABLET STAMPED---MT ZION 1946---, WELDED TO TOP OF 3-INCH IRON PIPE PROJECTING 6 INCHES ABOVE GROUND, UNDER CENTER OF LOT. <p>RM 1--1/2-INCH IRON ROD SET IN MASS OF CONCRETE ON SOUTH SIDE OF 24-INCH PINE TREE. <p>RM 2--1/2-INCH IRON ROD SET IN MASS OF CONCRETE 36 FT W. OF METER POLE, 8 FT E. OF 18-INCH PINE TREE. <p>RECOVERED AND REDESCRIBED BY CDH IN 1972. POSITION COMPUTED FROM TIE TO 1972 STATION MT ZION CDH. JS4003MT ZION ECChttp://www.geocaching.com/mark/details.asp?PID=JS4003MT ZION ECCGeocacheGeocacheMT ZION ECCCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MT ZION ECC</h1> <b> PID </b> JS4003 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 23 16.17994(N) 120 39 09.77101(W) ADJUSTED <br> <b> NAVD 88 </b> 884.9 (meters) 2903. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 12.82 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.94 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 580,926.420 2</td><td>117,703.801</td><td> MT </td><td>0.99998809</td><td> +0 ' 50 57.9"</td></tr><tr><td>SPC CA 2 </td><td>1,905,922.76 6</td><td>947,833.22 </td><td> sFT </td><td>0.99998809</td><td> +0 ' 50 57.9"</td></tr><tr><td>UTM 10 </td><td>4,251,455.298 </td><td>705,008.623</td><td> MT </td><td>1.00011762</td><td> +1 ' 27 29.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99986555 x 0.99998809 = 0.99985364 <br> <b>UTM 10 </b> 0.99986555 x 1.00011762 = 0.99998316 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> BLUE MTN </td><td>100° 28' 28.1"</td></tr><tr><td>UTM 10 </td><td> BLUE MTN </td><td>099° 51' 56.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS4001</td><td>MT ZION </td><td>225.994 METERS</td><td>005° 34' </td></tr><tr><td>JS3989</td><td>BLUE MTN </td><td>APPROX.25.7 KM</td><td>101° 19' 26.0"</td></tr><tr><td>JS3999</td><td>JACKSON BUTTE RADIO MAST </td><td>APPROX. 8.0 KM</td><td>228° 27' 14.4"</td></tr><tr><td>DB2157</td><td>MT ZION ECC RM 1 </td><td> 30.769 METERS</td><td>325° 33' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 23 16.15890(N) 120 39 09.76685(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 23 16.47853(N) 120 39 06.01570(W) AD( ) 2 <br> NGVD 29 (07/19/86) 884.1 (m) 2901. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH0500951455(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: TOP OF SQUARE CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS 1.6 MILES SOUTH-SOUTHEAST OF PINE GROVE ON A HILL KNOWN AS MT. ZION, AND IS NEAR THE EAST 1/4 CORNER OF SECTION 9, T6N, R12E, MOUNT DIABLO MERIDIAN ON LAND OWNED BY JOHN ONETO OF JACKSON, CALIFORNIA. <p>TO REACH THE STATION FROM PINE GROVE POST OFFICE IN AMADOR COUNTY, GO EAST ON STATE ROUTE 88 FOR 0.8 MILE TO MT. ZION ROAD, TURN RIGHT ON AN EARTH ROAD AND GO 1.1 MILES TO A LOCKED STEEL GATE, GO THROUGH GATE AND GO 0.3 MILE TO TOP OF RIDGE AND CALIFORNIA DIVISION OF FORESTRY LOOKOUT TOWER, CONTINUE ALONG EARTH ROAD IN A SOUTHEASTERLY DIRECTION APPROXIMATELY 800 FEET TO THE STATION 33 FEET LEFT OF THE ROAD. <p>THE STATION MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION ECC. 1972 SET IN A 10 INCH CONCRETE CYLINDER THAT IS 0.4 FOOT BELOW GROUND AND LOCATED 83 FEET SOUTH OF THE SOUTH BOUNDARY OF THE CALIFORNIA DIVISION OF FORESTRY PROPERTY, 33 FEET EAST OF THE EARTH ROAD CENTERLINE AND 28.5 FEET SOUTHWEST OF A 30 INCH PINE TREE. <p>REFERENCE MARK 1 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION ECC. RM 1 1972 SET IN A 10 INCH CONCRETE CYLINDER THAT PROJECTS 0.2 FOOT ABOVE GROUND AND IS LOCATED 37 FEET WEST OF THE EARTH ROAD CENTERLINE, 9 FEET NORTHEAST OF A 16 INCH OAK TREE AND 1 FOOT NORTH OF THE SOUTH BOUNDARY OF THE CALIFORNIA DIVISION OF FORESTRY PROPERTY. <p>THE UNDERGROUND MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK STAMPED MT. ZION ECC. 1972 SET IN CONCRETE 27 INCHES BELOW GROUND. <p>*KEY CAN BE OBTAINED FROM THE CALIFORNIA DIVISION OF FORESTRY IN MT. ZION. JS4004MT ZION LOOKOUT TOWERhttp://www.geocaching.com/mark/details.asp?PID=JS4004MT ZION LOOKOUT TOWERGeocacheGeocacheMT ZION LOOKOUT TOWERCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>MT ZION LOOKOUT TOWER</h1> <b> PID </b> JS4004 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 23 23.89428(N) 120 39 08.35175(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 12.81 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.93 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 581,164.769 2</td><td>117,734.714</td><td> MT </td><td>0.99998764</td><td> +0 ' 50 58.8"</td></tr><tr><td>SPC CA 2 </td><td>1,906,704.75 6</td><td>947,934.64 </td><td> sFT </td><td>0.99998764</td><td> +0 ' 50 58.8"</td></tr><tr><td>UTM 10 </td><td>4,251,693.993 </td><td>705,037.005</td><td> MT </td><td>1.00011776</td><td> +1 ' 27 30.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 23 23.87183(N) 120 39 08.34934(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 23 24.19146(N) 120 39 04.58992(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH0503751694(NAD 83) <br>MARKER: 57 = LOOKOUT TOWER <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>FIRST OBSERVED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS THE CENTER OF THE TOP OF THE CALIF DIVISION OF FORESTRY STEEL LOOKOUT TOWER KNOWN AS MT. ZION LOOKOUT LOCATED IN SECTION 9, T6N, R12E MT. DIABLO MERIDIAN. JS0352N 184http://www.geocaching.com/mark/details.asp?PID=JS0352N 184GeocacheGeocacheN 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 184</h1> <b> PID </b> JS0352 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 26 36. (N) 120 32 13. (W) SCALED <br> <b> NAVD 88 </b> 1034.87 (+/-2cm) 3395.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.88 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 587,240. </td><td> 2,127,720. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1034.016 (m) 3392.43 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH149578(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: N 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1957 2.2 MI NE FROM PINE GROVE. 2.2 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, 0.2 MILE SOUTHWEST OF BUCKHORN LODGE, IN R 13 E, T 7 N, IN THE SOUTHWEST QUARTER OF SECTION 22, NEAR A GROUP OF ABANDONED FRAME CABINS, IN THE TOP OF A LEDGE OF A LARGE GRANITE BOULDER WHICH PROJECTS 3 1/2 FEET ABOVE THE GROUND, 227 FEET SOUTHWEST OF THE T JUNCTION OF A GRAVELED ROAD LEADING NORTH, 76 1/2 FEET SOUTHEAST OF TELEPHONE POLE 2-27, 61.0 FEET SOUTH OF THE SOUTHEAST CORNER OF A CABIN, 37 1/2 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, ABOUT 12 FEET HIGHER THAN THE HIGHWAY, AND ABOUT 2 1/2 FEET ABOVE THE GROUND. JS0373N 189 RESET 1957http://www.geocaching.com/mark/details.asp?PID=JS0373N 189 RESET 1957GeocacheGeocacheN 189 RESET 1957CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 189 RESET 1957</h1> <b> PID </b> JS0373 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 38. (N) 120 52 58. (W) SCALED <br> <b> NAVD 88 </b> 204.44 (+/-2cm) 670.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.48 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 575,780. </td><td> 2,097,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 203.70 (m) 668.3 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH850460(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: N 189 RESET 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CADH</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1957 4 MI E FROM IONE. 4 MILES EAST ALONG STATE HIGHWAY 88 FROM IONE, APPROXIMATELY 7 MILES WEST OF JACKSON, 80 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST. JS0421N 202http://www.geocaching.com/mark/details.asp?PID=JS0421N 202GeocacheGeocacheN 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 202</h1> <b> PID </b> JS0421 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 28 52. (N) 120 50 41. (W) SCALED <br> <b> NAVD 88 </b> 331.78 (+/-2cm) 1088.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.74 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 591,050. </td><td> 2,100,800. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 331.000 (m) 1085.96 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH879613(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: N 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - January 24, 2005 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>20031214</td><td>GOOD </td><td>NGS</td></tr><tr><td>20050124</td><td>GOOD </td><td>CONDOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT PLYMOUTH. AT PLYMOUTH, AMADOR COUNTY, AT THE CITY LIMITS, ON STATE HIGHWAY 49, AT THE JUNCTION OF A ROAD LEADING TO THE BUSINESS SECTION, ABOUT 50 YARDS SOUTH OF THE CENTERLINE OF THE ROAD, 37 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND 88 FEET SOUTHEAST OF THE SOUTHEAST CORNER OF THE POOL BROTHERS GARAGE. A STANDARD DISK, STAMPED N 202 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (2003) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2003 (DW) THE ROAD INTO BUSINESS SECTION IS MAIN ST. STATION IS 6 INCHES BELOW PAVED SHOULDER INSIDE A 10 INCH WIDE ACCESS TUBE WITH COVER. IT IS DUE EAST ACROSS HWY FROM GAS PUMPS OF SIERRA TRADING POST (PROBABLY FORMER POOL BROS.) AND ABOUT 18 METERS SW OF POST AT NW CORNER OF EL DORADO SAVINGS BANK PLAZA. ADJACENT GRAVITY BASE STATION 'PLYMOUTH' = C 110 WAS DESTROYED WITH REPAVING. <p> <h2>STATION RECOVERY (2005) </h2> <p>RECOVERY NOTE BY CONDOR TECHNOLOGIES 2005 (DLS) RECOVERED IN GOOD CONDITION. JS0389N 795http://www.geocaching.com/mark/details.asp?PID=JS0389N 795GeocacheGeocacheN 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 795</h1> <b> PID </b> JS0389 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 01. (N) 120 55 14. (W) SCALED <br> <b> NAVD 88 </b> 102.31 (+/-2cm) 335.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.71 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 572,750. </td><td> 2,094,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 101.584 (m) 333.28 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH817430(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: N 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 2.8 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 1.3 MILES SOUTHEAST ALONG A PAVED ROAD, AT THE JUNCTION OF A GRAVEL ROAD WHICH CONNECTS THE PAVED ROAD WITH ITS FORMER ALIGNMENT, 65 FEET SOUTHWEST OF THE CENTER LINE OF THE PAVED ROAD, 52 FEET EAST OF THE CENTER LINE OF THE FORMER ALIGNMENT OF THE PAVED ROAD, 28 FEET NORTHWEST OF THE CENTER LINE OF THE GRAVEL ROAD, 59.8 FEET SOUTH OF THE CENTER OF THE WEST END OF A 48-INCH CORRUGATED METAL PIPE CULVERT, 64.1 FEET SOUTHEAST OF THE SOUTH END OF THE EAST CONCRETE HEAD WALL OF A 36-INCH CORRUGATED METAL PIPE CULVERT UNDER THE FORMER ALIGNMENT OF THE PAVED ROAD, 1.2 FEET SOUTHEAST OF A WITNESS POST, ABOUT 3 1/2 FEET LOWER THAN THE PAVED ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. A COPPER NAIL AND WASHER STAMPED AD IS IN THE TOP OF A ROOT ON THE WEST SIDE OF A 36-INCH OAK TREE 127.9 FEET NORTH ACROSS THE ROAD FROM BENCH MARK N 795. JS0347N 918http://www.geocaching.com/mark/details.asp?PID=JS0347N 918GeocacheGeocacheN 918CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 918</h1> <b> PID </b> JS0347 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 18. (N) 120 32 52. (W) SCALED <br> <b> NAVD 88 </b> 655.02 (+/-2cm) 2149.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.07 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,820. </td><td> 2,126,810. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 654.181 (m) 2146.26 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH140554(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: N 918 1957 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 3.1 MI SE FROM PIONEER. 0.1 MILE WEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, THENCE 2.3 MILES SOUTHEAST ALONG A PAVED ROAD, THENCE 0.7 MILE EAST ALONG A PAVED ROAD, IN R 13 E, T 7 N, NEAR THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF SECTION 33, NEAR A POINT WHERE THE WEST POINT PENSTOCK CROSSES UNDER THE ROAD, IN THE TOP OF THE NORTH END OF THE SOUTHEAST CONCRETE WING WALL OF A CONCRETE BRIDGE OVER THE PENSTOCK, 22 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 5.3 FEET NORTHEAST OF THE NORTHEAST END OF A STEEL GUARDRAIL, AND ABOUT LEVEL WITH THE ROAD. JS0384N 943http://www.geocaching.com/mark/details.asp?PID=JS0384N 943GeocacheGeocacheN 943CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 943</h1> <b> PID </b> JS0384 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 48. (N) 120 56 22. (W) SCALED <br> <b> NAVD 88 </b> 87.42 (+/-2cm) 286.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.67 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,030. </td><td> 2,092,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 86.695 (m) 284.43 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH800462(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: N 943 1958 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1958 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1962 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1958 AT IONE. AT IONE, 142.6 FEET SOUTH AND ACROSS THE TRACKS FROM THE SOUTH CORNER OF THE SOUTHERN PACIFIC COMPANY RAILROAD STATION, 130.0 FEET EAST AND ACROSS THE TRACKS FROM THE EAST CORNER OF A CORRUGATED METAL BUILDING HOUSING THE CALIFORNIA COATED SAND COMPANY, 39.7 FEET NORTHWEST OF A FENCE, 31.0 FEET SOUTHEAST OF THE SOUTHEAST RAIL OF THE SOUTHEAST TRACK, 2.0 FEET NORTHEAST OF A WITNESS POST, LEVEL WITH TRACKS, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1962 RECOVERED IN GOOD CONDITION. JS0492N 954http://www.geocaching.com/mark/details.asp?PID=JS0492N 954GeocacheGeocacheN 954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>N 954</h1> <b> PID </b> JS0492 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 30. (N) 120 56 12. (W) SCALED <br> <b> NAVD 88 </b> 95.41 (+/-2cm) 313.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.73 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 573,620. </td><td> 2,092,980. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 94.693 (m) 310.67 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH803438(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: N 954 1962 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1962 1.9 MI S FROM IONE. 1.9 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, 60 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 7 FEET EAST OF POWER POLE 35, 3.5 FEET EAST OF A FENCE, 3.0 FEET NORTH OF A WITNESS POST, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. JS0353P 184http://www.geocaching.com/mark/details.asp?PID=JS0353P 184GeocacheGeocacheP 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>P 184</h1> <b> PID </b> JS0353 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 57. (N) 120 34 03. (W) SCALED <br> <b> NAVD 88 </b> 922.91 (+/-2cm) 3027.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.15 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 586,000. </td><td> 2,125,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 922.07 (m) 3025.2 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH123566(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: P 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1957 6 MI NE FROM PINE GROVE. ALONG THE RIGHT-OF-WAY OF ROUTE 34, SET IN TOP OF LARGE GRANITE BOULDER, 32 FEET SOUTH OF THE CENTERLINE OF HIGHWAY, AND 12 FEET SOUTH OF TWIN OAKS. NOTE-- A SERVICE STATION HAS BEEN BUILT AT THIS LOCATION AND THE MARK WAS PROBABLY BURIED OR DESTROYED. JS0375P 189 RESET 1970http://www.geocaching.com/mark/details.asp?PID=JS0375P 189 RESET 1970GeocacheGeocacheP 189 RESET 1970CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>P 189 RESET 1970</h1> <b> PID </b> JS0375 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 49. (N) 120 54 24. (W) SCALED <br> <b> NAVD 88 </b> 146.43 (+/-2cm) 480.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.62 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 574,240. </td><td> 2,095,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 145.69 (m) 478.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH829445(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: P 189 RESET 1970 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1970 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>1972 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 2.2 MI SE FROM IONE. 2.2 MILES SOUTHEASTERLY ALONG STATE HIGHWAY 104 FROM THE INTERSECTION OF MAIN AND FIRST STREETS IN IONE, AT THE NORTHEAST CORNER OF THE JUNCTION OF STATE HIGHWAYS 104 AND 88, ABOUT 30 FEET EAST OF THE CENTER LINE OF STATE HIGHWAY 104, ABOUT 45 FEET NORTH OF THE CENTER LINE OF STATE HIGHWAY 88 AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE ROADWAY. JS0390P 795http://www.geocaching.com/mark/details.asp?PID=JS0390P 795GeocacheGeocacheP 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>P 795</h1> <b> PID </b> JS0390 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 17. (N) 120 54 51. (W) SCALED <br> <b> NAVD 88 </b> 112.91 (+/-2cm) 370.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.74 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 571,400. </td><td> 2,094,970. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 112.194 (m) 368.09 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH823416(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: P 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 3.7 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 2.05 MILES SOUTHEAST ALONG A PAVED ROAD, THENCE 0.2 MILE SOUTHEAST ALONG A PAVED ROAD (A FORMER ALIGNMENT), NEAR THE SUMMIT OF A SMALL HILL, ON THE EAST SIDE OF A HIGH KNOLL ON THE WEST SIDE OF THE ROAD, IN A SMALL CLEARING, 30 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 1.2 FEET NORTH OF A WITNESS POST, ABOUT 2 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. JS0146P 922http://www.geocaching.com/mark/details.asp?PID=JS0146P 922GeocacheGeocacheP 922CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>P 922</h1> <b> PID </b> JS0146 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 55. (N) 120 28 47. (W) SCALED <br> <b> NAVD 88 </b> 1305.08 (+/-2cm) 4281.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.11 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 595,310. </td><td> 2,132,580. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1304.158 (m) 4278.73 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH197659(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: P 922 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 AT DEW DROP STATION. AT THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, ALONG STATE HIGHWAY 88, IN R 14 E, T 8 N, IN THE SOUTHWEST QUARTER OF SECTION 30, 55 FEET EAST OF THE CENTER LINE OF THE ENTRANCE DRIVE TO THE STATION, 31 1/2 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 2 FEET SOUTHEAST OF THE NORTHEAST CORNER OF THE CEMENT-STONE MASONRY FOUNDATION FOR A FORESTRY SIGN, 3 1/2 FEET SOUTH OF A WOODEN RAIL FENCE, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. JS0493P 954http://www.geocaching.com/mark/details.asp?PID=JS0493P 954GeocacheGeocacheP 954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>P 954</h1> <b> PID </b> JS0493 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 46. (N) 120 56 49. (W) SCALED <br> <b> NAVD 88 </b> 81.67 (+/-2cm) 267.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.80 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 572,260. </td><td> 2,092,100. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 80.954 (m) 265.60 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH794425(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: P 954 1962 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1962 3 MI SW FROM IONE. 2.95 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, 0.2 MILE SOUTHWEST OF THE JUNCTION OF A ROAD SOUTH, 40 FEET NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, 4 FEET NORTHEAST OF A POWER POLE, 1.5 FEET SOUTHEAST OF A FENCE, 2.5 FEET SOUTHWEST OF A WITNESS POST, ABOUT 2 1/2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. JS3944PEDDLERhttp://www.geocaching.com/mark/details.asp?PID=JS3944PEDDLERGeocacheGeocachePEDDLERCADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>PEDDLER</h1> <b> PID </b> JS3944 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PEDDLER HILL (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 33 43.81657(N) 120 15 59.20415(W) ADJUSTED <br> <b> NAVD 88 </b> 2088.1 (meters) 6851. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 10.33 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -24.72 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 600,847.427 2</td><td>151,076.856</td><td> MT </td><td>0.99995598</td><td> +1 ' 05 34.6"</td></tr><tr><td>SPC CA 2 </td><td>1,971,280.27 7</td><td>057,324.65 </td><td> sFT </td><td>0.99995598</td><td> +1 ' 05 34.6"</td></tr><tr><td>UTM 10 </td><td>4,271,735.304 </td><td>738,175.438</td><td> MT </td><td>1.00029864</td><td> +1 ' 42 17.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99967635 x 0.99995598 = 0.99963235 <br> <b>UTM 10 </b> 0.99967635 x 1.00029864 = 0.99997490 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> PEDDLER AZ MK </td><td>040° 37' 01.9"</td></tr><tr><td>UTM 10 </td><td> PEDDLER AZ MK </td><td>040° 00' 19.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DA9503</td><td>PEDDLER RM 1 </td><td> 6.192 METERS</td><td>026° 10' </td></tr><tr><td>DA9502</td><td>PEDDLER AZ MK </td><td> </td><td>041° 42' 36.5"</td></tr><tr><td>DA9504</td><td>PEDDLER RM 2 </td><td> 7.567 METERS</td><td>269° 02' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 33 43.78847(N) 120 15 59.19506(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 33 44.10859(N) 120 15 55.49310(W) AD( ) 2 <br> NGVD 29 (07/19/86) 2087.0 (m) 6847. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH3817571735(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) THE STATION IS LOCATED ABOUT 2.5 MILES NORTHEAST OF LUMBERYARD RANGER STATION NEAR PEDDLER HILL SKI RESORT ON A ROCKY POINT AT THE END OF A RIDGE THAT FACES SOUTHERLY. IT IS JUST WEST OF AND ABOVE PEDDLER HILL VISTA POINT AND STATE ROUTE 88, AND IS IN THE NORTHEAST QUARTER OF SECTION 12, T8N, R15E, MOUNT DIABLO MERIDIAN. <p>TO REACH THE STATION FROM PEDDLER HILL VISTA POINT ON STATE ROUTE 88, GO APPROXIMATELY 0.1 MILE EASTERLY ON STATE ROUTE 88 AND TURN LEFT ON AN EARTH ROAD, GO 0.4 MILE SOUTHWESTERLY PASSING TO THE LEFT OF THE SKI RESORT AND SKI LIFT, OVER THE CREST OF A RIDGE TO THE STATION. <p>TO REACH THE AZIMUTH MARK FROM PEDDLER HILL VISTA POINT ON STATE ROUTE 88, GO 2.1 MILES EASTERLY ON STATE ROUTE 88 TO FOSTER MEADOW ROAD ON THE LEFT. CONTINUE 0.15 MILE EASTERLY ON STATE ROUTE TO THE AZIMUTH MARK ON THE LEFT SIDE OF THE ROAD. <p>THE STATION MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK, STAMPED PEDDLER 1971, EPOXIED IN A DRILL HOLE IN GRANITE BEDROCK FLUSH WITH THE GROUND AND IS LOCATED APPROXIMATELY 300 YARDS SOUTHEAST OF THE PEDDLER HILL SKI LIFT, 50 FEET NORTHEAST OF A VERY LARGE GRANITE BOULDER AND 10 FEET WEST-SOUTHWEST OF A SMALL PINE TREE. <p>REFERENCE MARK 1 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK, STAMPED PEDDLER RM 1 1971 EPOXIED IN A DRILL HOLE IN GRANITE BEDROCK AND IS LOCATED 2.5 FEET SOUTH OF AND 1.5 FEET LOWER THAN A GRANITE HOGBACK AND IS 0.3 FOOT HIGHER THAN THE STATION. <p>REFERENCE MARK 2 IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK, STAMPED PEDDLER RM 2 1971, EPOXIED IN A DRILL HOLE IN A GRANITE BOULDER THAT PROJECTS 0.5 FOOT ABOVE GROUND AND IS LOCATED 3.0 FEET EAST OF AND 3.0 FEET LOWER THAN A PROMINENT GRANITE BOULDER AND IS 3.2 FEET HIGHER THAN THE STATION. <p>THE AZIMUTH MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK, STAMPED PEDDLER AZI. 1972, EPOXIED IN A DRILL HOLE IN BEDROCK OR A BURIED BOULDER FLUSH WITH THE GROUND AND IS LOCATED AT THE TOP OF THE HIGHWAY CUTSLOPE ABOUT 150 FEET SOUTHWEST OF AN EARTH ROAD, 75 FEET NORTH OF AND 20 FEET HIGHER THAN THE HIGHWAY CENTERLINE. JS3935PLASSEhttp://www.geocaching.com/mark/details.asp?PID=JS3935PLASSEGeocacheGeocachePLASSECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>PLASSE</h1> <b> PID </b> JS3935 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE PEAK (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 37 01.25149(N) 120 07 31.90231(W) ADJUSTED <br> <b> NAVD 88 </b> 2576.7 (meters) 8454. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.29 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -24.03 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 607,177.618 2</td><td>163,230.359</td><td> MT </td><td>0.99994777</td><td> +1 ' 10 54.5"</td></tr><tr><td>SPC CA 2 </td><td>1,992,048.57 7</td><td>097,198.27 </td><td> sFT </td><td>0.99994777</td><td> +1 ' 10 54.5"</td></tr><tr><td>SPC CA 3 </td><td> 735,026.756 2</td><td>032,614.603</td><td> MT </td><td>1.00004337</td><td> +0 ' 13 45.3"</td></tr><tr><td>SPC CA 3 </td><td>2,411,500.28 6</td><td>668,669.74 </td><td> sFT </td><td>1.00004337</td><td> +0 ' 13 45.3"</td></tr><tr><td>UTM 10 </td><td>4,278,197.520 </td><td>750,265.208</td><td> MT </td><td>1.00037136</td><td> +1 ' 47 41.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99959964 x 0.99994777 = 0.99954743 <br> <b>SPC CA 3 </b> 0.99959964 x 1.00004337 = 0.99964299 <br> <b>UTM 10 </b> 0.99959964 x 1.00037136 = 0.99997085 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> PLASSE AZ MK </td><td>317° 29' 02.7"</td></tr><tr><td>SPC CA 3 </td><td> PLASSE AZ MK </td><td>318° 26' 11.9"</td></tr><tr><td>UTM 10 </td><td> PLASSE AZ MK </td><td>316° 52' 15.5"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DA9544</td><td>PLASSE RM 1 </td><td> 8.386 METERS</td><td>081° 38' </td></tr><tr><td>JS3938</td><td>PLASSE RM 2 </td><td> 11.901 METERS</td><td>180° 16' </td></tr><tr><td>DA9543</td><td>PLASSE AZ MK </td><td> </td><td>318° 39' 57.2"</td></tr><tr><td>DA9542</td><td>PLASSE AZ MK 2 </td><td> </td><td>327° 52' 22.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 37 01.21983(N) 120 07 31.89258(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 38 37 01.55300(N) 120 07 28.21600(W) AD( ) 1 <br> NGVD 29 (07/19/86) 2575.4 (m) 8449. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH5026578198(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1956 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1969 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1972 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) STATION IS LOCATED ABOUT 2.5 MILES, AIRLINE, SOUTHEAST OF TRAGEDY SPRINGS, AND ABOUT 2 MILES SOUTH OF SILVER LAKE AND PLASSES POST OFFICE, ON A BARE ROCKY SUMMIT WITH SEVERAL OTHER POINTS OF APPROXIMATELY THE SAME ELEVATION. IT IS 35 FEET SOUTHWEST OF THE HIGHEST POINT OF THE HILL, 82 FEET NORTH OF A VERY PROMINENT ROCK OUTCROP ON THE SOUTH SIDE OF THE HILL. IN A BOULDER PROJECTING ABOUT 6 INCHES ABOVE THE GROUND. ELEVATION 8600 FEET. <p>TO REACH FROM TRAGEDY SPRINGS, (A SERVICE STATION AND TAVERN ON STATE HIGHWAY 8, ABOUT 2 MILES SOUTHWEST OF SILVER LAKE), GO NORTHEAST ON STATE HIGHWAY 8 FOR 0.2 MILE. TURN RIGHT ON A DIM TRACK ROAD 0.45 MILE TO THE TOP OF THE STEEP GRADE. AZIMUTH MARK IS 90 PACES EAST OF THIS POINT. CONTINUE ON THE TRACK ROAD 1.7 MILES TO AN OLD LOG CABIN AND SMALL LAKE ON THE RIGHT, AND A FENCE ON THE LEFT. LEAVE THE TRUCK, CROSS THE FENCE AND GO NORTHEAST TO THE TOP OF THE RIDGE, THEN LEFT ALONG THE TOP TO THE THIRD SMALL KNOLL AND STATION. A 40-MINUTE PACK. <p>AZIMUTH MARK, FROM POINT MENTIONED ABOVE, 25 FEET FROM THE NORTH EDGE OF HILL, IN A ROCK PROJECTING 2 FEET ABOVE THE GROUND. <p>SURFACE, REFERENCE AND AZIMUTH MARKS ARE SET AS DESCRIBED IN NOTES 4, 12C, AND 12A. <p> <h2>STATION RECOVERY (1956) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1956 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. RMS NOT OBSERVED. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1969 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. RMS NOT OBSERVED. OCCUPIED FOR HORIZONTAL SCALING ONLY. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (RMB) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE FOUND AS DESCRIBED AND IN GOOD CONDITION. A SEARCH WAS MADE FOR THE AZIMUTH MARK BUT IT WAS NOT FOUND HOWEVER A NEW MARK WAS SET AT THIS TIME. THE PREVIOUS TO REACH DESCRIPTION IS NO LONGER ADEQUATE DUE TO CONSTRUCTION OF A NEW STATE HIGHWAY. A COMPLETE NEW DESCRIPTION FOLLOWS-- <p>THE STATION IS LOCATED ON A POINT OF A ROCKY, NORTHERLY FACING ROCKY RIM 3.5 MILES SOUTH OF SILVER LAKE SPILLWAY. IT IS IN THE ELDORADO NATIONAL FOREST IN THE NORTHWEST QUARTER OF SECTION 20, T9N, R17E, MOUNT DIABLO MERIDIAN. <p>TO REACH THE STATION FROM THE SILVER LAKE SPILLWAY GO 2.85 MILES SOUTHWESTERLY ON STATE ROUTE 88 AND TURN LEFT,* GO 0.6 MILE ALONG A DIRT ROAD TO A ROAD FORK AND TURN LEFT, GO 0.6 MILE TO A FORK AND TURN LEFT, GO 1.65 MILES AND TURN LEFT ON A VERY DIM TRACK, GO ABOUT 0.1 MILE TO THE TOP OF A RIM AND THE STATION. A FOUR WHEEL DRIVE VEHICLE IS RECOMMENDED. <p>*TO REACH THE AZIMUTH MARK FROM THIS POINT GO 0.15 MILE ALONG THE ROAD ENROUTE TO THE STATION TO THE AZIMUTH MARK ON THE LEFT. <p>THE STATION MARK IS A STANDARD STATION MARK BRASS DISK, STAMPED PLASSE 1940, CEMENTED IN A DRILL HOLE IN A ROCK OUTCROPPING WHICH PROJECTS 4 INCHES ABOVE GROUND. IT IS LOCATED ON A TREELESS ROCKY BLUFF OVERLOOKING SILVER LAKE, ABOUT 300 FEET NORTH OF A DIRT ROAD, 40 FEET SOUTHWEST OF THE HIGHEST POINT ON THE EDGE OF THE BLUFF AND 9 FEET NORTHWEST OF A CAIRN. <p>REFERENCE MARK 1 IS A STANDARD REFERENCE MARK BRASS DISK, STAMPED PLASSE NO 1 1940, CEMENTED IN A DRILL HOLE IN A ROCK. <p>REFERENCE MARK 2 IS A STANDARD REFERENCE MARK BRASS DISK, STAMPED PLASSE NO 2 1940, CEMENTED IN A DRILL HOLE IN ROCK 260 FEET NORTH OF THE DIRT ROAD, 80 FEET NORTHEAST OF A LARGE LAVA FORMATION, 75 FEET SOUTH OF THE EDGE OF THE BLUFF AND 2.05 FEET LOWER THAN THE STATION. <p>THE AZIMUTH MARK IS A CALIFORNIA DIVISION OF HIGHWAYS BRASS DISK, STAMPED PLASSE AZIMUTH 1971, EPOXIED IN A DRILL HOLE IN A LAVA OUTCROPPING. IT IS ON THE RIM OF THE HILL 100 FEET EAST OF THE DIRT ROAD AND 75 FEET SOUTH OF AN A FRAME CABIN. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--3.5 MILES SOUTH OF SILVER LAKE SPILLWAY <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. RMS WERE CHECKED. STATION REACHED BY HELICOPTER. JS3938PLASSE RM 2http://www.geocaching.com/mark/details.asp?PID=JS3938PLASSE RM 2GeocacheGeocachePLASSE RM 2CADTUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>PLASSE RM 2</h1> <b> PID </b> JS3938 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE PEAK (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 37 00.86556(N) 120 07 31.90454(W) ADJUSTED <br> <b> NAVD 88 </b> 2575.7 (meters) 8450. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.28 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -24.03 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 607,165.720 2</td><td>163,230.550</td><td> MT </td><td>0.99994779</td><td> +1 ' 10 54.5"</td></tr><tr><td>SPC CA 2 </td><td>1,992,009.53 7</td><td>097,198.90 </td><td> sFT </td><td>0.99994779</td><td> +1 ' 10 54.5"</td></tr><tr><td>UTM 10 </td><td>4,278,185.620 </td><td>750,265.527</td><td> MT </td><td>1.00037137</td><td> +1 ' 47 41.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99959980 x 0.99994779 = 0.99954761 <br> <b>UTM 10 </b> 0.99959980 x 1.00037137 = 0.99997102 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> ROUND TOP RESET </td><td>063° 13' 15.6"</td></tr><tr><td>UTM 10 </td><td> ROUND TOP RESET </td><td>062° 36' 28.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JS3935</td><td>PLASSE </td><td> 11.901 METERS</td><td>000° 16' </td></tr><tr><td>JS3905</td><td>ROUND TOP RESET </td><td>APPROX.12.0 KM</td><td>064° 24' 10.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 37 00.83390(N) 120 07 31.89481(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 37 01.16709(N) 120 07 28.21827(W) AD( ) 2 <br> NGVD 29 (07/19/86) 2574.4 (m) 8446. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH5026678186(NAD 83) <br>MARKER: DR = REFERENCE MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: SET IN DRILL HOLE IN A BOULDER <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1972 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1972 (RMB) REFERENCE MARK 2 IS A STANDARD REFERENCE MARK BRASS DISK, STAMPED PLASSE NO 2 1940, CEMENTED IN A DRILL HOLE IN ROCK 260 FEET NORTH OF THE DIRT ROAD, 80 FEET NORTHEAST OF A LARGE LAVA FORMATION, 75 FEET SOUTH OF THE EDGE OF THE BLUFF AND 2.05 FEET LOWER THAN THE STATION. JS4030PLYMOUTHhttp://www.geocaching.com/mark/details.asp?PID=JS4030PLYMOUTHGeocacheGeocachePLYMOUTHCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>PLYMOUTH</h1> <b> PID </b> JS4030 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 29 24.92942(N) 120 48 04.76697(W) ADJUSTED <br> <b> NAVD 88 </b> 535.8 (meters) 1758. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 11.52 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.44 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 592,113.584 2</td><td>104,571.525</td><td> MT </td><td>0.99996812</td><td> +0 ' 45 20.6"</td></tr><tr><td>SPC CA 2 </td><td>1,942,625.98 6</td><td>904,748.41 </td><td> sFT </td><td>0.99996812</td><td> +0 ' 45 20.6"</td></tr><tr><td>UTM 10 </td><td>4,262,502.983 </td><td>691,756.390</td><td> MT </td><td>1.00005284</td><td> +1 ' 22 07.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99992040 x 0.99996812 = 0.99988852 <br> <b>UTM 10 </b> 0.99992040 x 1.00005284 = 0.99997323 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> PLYMOUTH AZ MK </td><td>273° 33' 29.6"</td></tr><tr><td>UTM 10 </td><td> PLYMOUTH AZ MK </td><td>272° 56' 42.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DA9548</td><td>PLYMOUTH RM 3 </td><td> 5.192 METERS</td><td>002° 24' </td></tr><tr><td>DA9546</td><td>PLYMOUTH RM 1 </td><td> 18.306 METERS</td><td>059° 26' </td></tr><tr><td>JS4004</td><td>MT ZION LOOKOUT TOWER </td><td>APPROX.17.1 KM</td><td>130° 30' 33.2"</td></tr><tr><td>DA9545</td><td>PLYMOUTH AZ MK </td><td> </td><td>274° 18' 50.2"</td></tr><tr><td>DA9547</td><td>PLYMOUTH RM 2 </td><td> 10.625 METERS</td><td>314° 07' </td></tr><tr><td>JS4063</td><td>LOGTOWN TV TOWER </td><td>APPROX.16.3 KM</td><td>342° 44' 35.2"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 38 29 24.91174(N) 120 48 04.75597(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 29 25.24400(N) 120 48 00.99000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 535.0 (m) 1755. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH9175662503(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1940 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1946 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1954 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1955 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1972 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>1974 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 (JCS) STATION IS LOCATED ABOUT 2.5 MILES, AIRLINE, EAST OF PLYMOUTH, ON THE HIGHEST POINT OF THE RIDGE JUST NORTH OF THE MAIN ROAD TO FIDDLETOWN, ON PROPERTY OF J.J. PIGEON. <p>REACHED FROM THE POST OFFICE IN PLYMOUTH BY GOING EAST ON THE MAIN STREET 0.2 MILE. CONTINUE STRAIGHT AHEAD, CROSSING STATE HIGHWAY 49, AND GO EAST TOWARD FIDDLETOWN 0.5 MILE. TAKE RIGHT FORK TOWARD FIDDLETOWN AND GO 1.3 MILES TO A BOARD GATE ON LEFT SIDE OF THE ROAD. TURN LEFT THROUGH GATE AND TAKE RIGHT FORK, A DIM TRACK ROAD LEADING UP THE CREST OF THE RIDGE. FOLLOW THE DIM TRACKS 0.4 MILE. PASS THROUGH GATE AND GO 0.05 MILE. KEEP TO RIGHT OF AN OLD WOOD CUTTERS CAMP, GO 0.1 MILE AND PASS TO THE RIGHT OF A RESERVOIR EMBANKMENT. CONTINUE ON THE OLD ROAD 0.3 MILE. HERE TURN SHARP RIGHT JUST AFTER PASSING A SMALL ROAD DUGWAY, LEAVE THE ROAD, AND DRIVE ABOUT 100 YARDS UP HILL TO THE STATION. <p>STATION MARK IS A STANDRD DISK SET FLUSH WITH THE GROUND, IN A BLOB OF CONCRETE 12 INCHES IN DIAMETER AND 12 INCHES DEEP. IT IS SET ON BEDROCK. <p>AZIMUTH MARK IS LOCATED ABOUT 1/2 MILE WEST OF THE STATION ON THE FIRST BENCH OF THE FIRST PROMINENT RIDGE ABOUT 400 YARDS NORTHEAST OF THE PIGEON RANCH BUILDINGS AND ABOUT 100 YARDS SOUTH OF A GRASSY KNOLL AND 100 FEET LOWER. IT IS 9 FEET NORTHWEST OF AN OAK TREE, 215 FEET WEST OF A NORTH-SOUTH FENCE, 450 FEET NORTH OF AN EAST-WEST FENCE, IN A ROCK OUTCROP 18 FEET LONG, 3 FEET HIGH, AND 4 FEET WIDE. <p>REACHED FROM THE BOARD GATE MENTIONED ABOVE BY TAKING THE LEFT FORK AND FOLLOWING THE TRACK ROAD 0.5 MILE TO THE BARNYARD OF THE PIGEON RANCH. PACK NORTHEAST ABOUT 400 YARDS TO THE MARK. ABOUT A 6-MINUTE PACK. <p>HEIGHT OF LIGHT ABOVE STATION MARK - 14 METERS. <p> <h2>STATION RECOVERY (1940) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1940 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITON. <p> <h2>STATION RECOVERY (1946) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1946 RECOVERED AS DESCRIBED. ALL MARKS IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1954) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1954 (LSB) THE STATION MARK AND REFERENCE MARK NO. 1 WERE RECOVERED IN GOOD CONDITION AND AS DESCRIBED. REFERENCE MARK NO. 2 HAS BEEN PULLED OUT OF THE GROUND. THE AZIMUTH MARK WAS NOT VISITED. THE 1940 DIRECTIONS FOR REACHING THE STATION ARE VERY GOOD. <p> <h2>STATION RECOVERY (1955) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (LSB) THE STATION MARK, REFERENCE MARK 1 AND THE AZIMUTH MARK WERE RECOVERED AND FOUND TO BE IN GOOD CONDITION. A SEARCH WAS MADE TO FIND REFERENCE MARK 2 BUT WAS NOT FOUND. REFERENCE MARK 3 WAS ESTABLISHED AT THIS TIME. A COMPLETE DESCRIPTION FOLLOWS. <p>THE STATION IS LOCATED ABOUT 16 MILES (AIR LINE) NORTH-NORTHEAST OF BUENA VISTA, 14 MILES NORTHEAST OF IONE, AND 2.5 MILES EAST OF PLYMOUTH. IT IS ON THE HIGHEST POINT OF THE RIDGE. <p>TO REACH THE STATION FROM THE POST OFFICE IN PLYMOUTH, GO EAST ON THE MAIN STREET (TOWARDS FIDDLETOWN) FOR 0.7 MILES TO FORKS AND SIGN FIDDLETOWN. TAKE THE RIGHT FORK (EAST) AND GO 1.3 MILES TO A BOARD GATE ON THE LEFT (NORTH) SIDE OF THE ROAD. PASS THROUGH THE GATE (THE AZIMUTH MARK READS FROM THIS POINT) AND TAKE THE RIGHT FORK FOR 0.4 MILE TO A GATE. PASS THROUGH THE GATE AND GO 0.5 MILE TO THE TOP OF THE RIDGE. TURN RIGHT, LEAVING THE ROAD, AND PICK YOUR WAY UP THE RIDGE FOR A TOTAL OF 0.1 MILE TO THE HIGHEST POINT AND STATION. THIS IS A DRIVE STATION WITH A 4-WHEEL DRIVE. <p>THE STATION MARK, A STANDARD DISK STAMPED PLYMOUTH 1940, IS SET IN A CONCRETE MASS THAT IS ABOUT 12 INCHES IN DIAMETER AND CEMENTED TO BEDROCK WHICH IS ABOUT 12 INCHES BELOW THE SURFACE OF THE GROUND. <p>REFERENCE MARK 1, A STANDARD DISK STAMPED PLYMOUTH NO 1 1940, IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 12 INCHES. IT IS ABOUT 18 INCHES LOWER THAN THE STATION MARK. <p>REFERENCE MARK 3, A STANDARD DISK STAMPED PLYMOUTH NO 3 1940, IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 4 INCHES ABOVE THE GROUND. IT IS ABOUT THE SAME ELEVATION AS THE STATION MARK. <p>THE AZIMUTH MARK, A STANDARD DISK STAMPED PLYMOUTH 1940, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS ABOUT 3 FEET TO THE SOUTH. IT IS ABOUT 0.5 MILE WEST OF THE STATION ON THE FIRST BENCH OF A PROMINENT RIDGE, ABOUT 100 YARDS SOUTH OF AND 100 FEET LOWER THAN A GRASSY KNOLL. IT IS ABOUT 450 FEET NORTH OF AN EAST-WEST FENCE LINE, 215 FEET WEST OF A NORTH-SOUTH FENCE LINE AND 9 FEET NORTHWEST OF AN OAK TREE. <p>TO REACH THE AZIMUTH MARK FROM THE BOARD GATE MENTIONED IN THE DESCRIPTION, TAKE THE LEFT FORK FOR 0.5 MILE TO A BARNYARD. FROM THIS POINT PACK NORTHEAST UP THE SLOPE FOR ABOUT 400 YARDS TO THE MARK. THIS IS ABOUT A 10-MINUTE PACK. <p>OBSERVATIONS WERE TAKEN FROM A 4 FOOT STAND. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (RMB) THE MARKS WERE FOUND IN GOOD CONDITION AS DESCRIBED IN THE 1955 RECOVERY NOTE. THE TO REACH DESCRIPTION HAS CHANGED HOWEVER AND A COMPLETE NEW DESCRIPTION FOLLOWS. <p>THE STATION IS LOCATED 2.5 MILES EAST OF PLYMOUTH ON THE HIGHEST POINT OF THE RIDGE JUST NORTH OF THE MAIN ROAD TO FIDDLETOWN ON PROPERTY OWNED BY LOUIS WALKMIESTER. <p>TO REACH THE STATION FROM PLYMOUTH POST OFFICE, GO EASTERLY ON MAIN STREET FOR 0.05 MILE TO INTERSECTION WITH STATE ROUTE 16, CROSS STATE ROUTE 16 EASTERLY 0.5 MILE TO A ROAD FORK, TAKE RIGHT FORK AND GO 1.6 MILES TO A LOCKED METAL GATE ON THE LEFT,* PASS THROUGH GATE AND FOLLOW DIRT TRACK ROAD ALONG A WIRE FENCE SOUTHEASTERLY FOR 0.05 MILE TO A FORK IN TRACK ROAD, TAKE RIGHT FORK FOR 0.35 MILE FOLLOWING WIRE FENCE FOR A SHORT DISTANCE AND THEN GOING ALONG CREST OF A HILL FOLLOWING TELEPHONE LINES, TURN RIGHT OFF TRACK ROAD AND GO 0.05 MILE TO THE TOP OF A HILL AND THE STATION. *TO REACH THE AZIMUTH MARK FROM THE METAL GATE MENTIONED IN THE DESCRIPTION, TAKE THE LEFT FORK FOR 0.5 MILE TO A BARNYARD. FROM THIS POINT PACK NORTHEAST UP THE SLOPE FOR 400 YARDS TO THE MARK. THIS IS ABOUT A 10 MINUTE PACK. <p>THE STATION MARK, A STANDARD DISK STAMPED PLYMOUTH 1940, IS SET IN A CONCRETE MASS THAT IS ABOUT 12 INCH IN DIAMETER AND CEMENTED TO BEDROCK WHICH IS ABOUT 12 INCHES BELOW THE SURFACE OF THE GROUND. <p>REFERENCE MARK 1, A STANDARD DISK STAMPED PLYMOUTH NO 1 1940 IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 12 INCHES ABOVE GROUND AND IS 1.5 FEET LOWER THAN THE STATION. <p>REFERENCE MARK 3, A STANDARD DISK STAMPED PLYMOUTH NO 3 1940, IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 4 INCHES ABOVE THE GROUND AND IS THE SAME ELEVATION AS THE STATION. <p>THE AZIMUTH MARK, A STANDARD DISK STAMPED PLYMOUTH 1940, IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS ABOUT 3 FEET ABOVE GROUND AND IS LOCATED ON THE FIRST BENCH OF THE FIRST PROMINENT RIDGE WEST OF THE STATION. IT IS ABOUT 400 YARDS NORTHEAST OF SOME RANCH BUILDINGS, 100 YARDS SOUTH OF AND 100 FEET LOWER THAN A GRASSY KNOLL, 450 FEET NORTH OF AN EAST-WEST FENCE, 215 FEET WEST OF A NORTH-SOUTH FENCE AND 9 FEET NORTHWEST OF AN OAK TREE IN A ROCK OUTCROP 18 FEET LONG, 4 FEET WIDE AND 3 FEET HIGH. <p>NOTE--IN THE 1955 LIST OF DIRECTIONS, JACKSON (USGS) WAS USED AS AN INITIAL. HOWEVER IN THE 1955 RECOVERY NOTE BUENA VISTA (USGS) WAS USED. THE OBSERVED DIRECTION FROM BUENA VISTA (USGS) TO THE PLYMOUTH 1940 AZIMUTH MARK WAS 43 DEG 21 MIN 35.4 SEC. ON THIS DATE YERBA BUENA 1954 (USGS) WAS USED AS AN INITIAL AND THE OBSERVED DIRECTION TO THE PLYMOUTH 1940 AZIMUTH MARK WAS 43 DEG 21 MIN 35.9 SEC. THE WORK HAS BEEN DOUBLE CHECKED AND APPEARS TO BE CORRECT. PERHAPS THE 1955 RECOVERY NOTE SHOULD HAVE LISTED YERBA BUENA 1954 (USGS) AS THE INITIAL INSTEAD OF BUENA VISTA (USGS). <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2.5 MILES EAST OF PLYMOUTH <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (GAW) THE STATION MARK, REFERENCE MARKS 1 AND 3 AND AZIMUTH MARK WERE FOUND IN GOOD CONDITION, REFERENCE MARK 2 WAS SEARCHED FOR AND WAS NOT FOUND. A COMPLETE DESCRIPTION FOLLOWS-- <p>TO REACH STATION FROM THE U.S. POST OFFICE IN PLYMOUTH, GO EAST ON MAIN STREET ABOUT 300 FEET TO HIGHWAY 49, CROSS HIGHWAY 49 AND CONTINUE EAST ON SHENANDOAH ROAD 0.55 MILE TO FIDDLETOWN ROAD, GO STRAIGHT (EASTERLY) ON FIDDLETOWN ROAD (RIGHT FORK) 1.65 MILES TO GATE ON LEFT, TURN LEFT THROUGH GATE AND TAKE ROAD LEADING TO TOP OF RIDGE 0.1 MILE (PASSING TO THE RIGHT OF RESERVOIR EMBANKMENT), CONTINUE ON OLD ROAD 0.3 MILE, TURN SHARP RIGHT AFTER PASSING A SMALL ROAD DUGWAY, LEAVE THE ROAD AND DRIVE ABOUT 100 YARDS UPHILL TO THE STATION ON HIGHEST POINT OF RIDGE. <p>STATION MARK IS A STANDARD C AND GS DISK STAMPED PLYMOUTH 1940 SET IN 12-INCH BY 12-INCH BLOB OF CONCRETE IN BEDROCK FLUSH WITH GROUND ON HIGHEST POINT OF RIDGE, DIRECTLY ON LINE AND NEARLY MIDWAY BETWEEN A 30-INCH YELLOW PINE SOUTHEAST OF STATION AND A 36-INCH YELLOW PINE NORTHWEST OF STATION. <p>REFERENCE MARK 1 IS A STANDARD C AND GS DISK STAMPED PLYMOUTH 1940 R.M. NO 1 SET IN A ROCK EAST OF STATION, 10.5 FEET NORTHEAST OF SMALL OAK TREE, 11.0 FEET WEST OF ANOTHER SMALL OAK AND LEVEL WITH STATION. <p>REFERENCE MARK 3 IS A STANDARD C AND GS DISK STAMPED PLYMOUTH 1940 R.M. NO 3 SET IN ROCK NORTH OF STATION AND 0.5 FOOT HIGHER THAN STATION. <p>AZIMUTH MARK IS A STANDARD C AND GS DISK STAMPED PLYMOUTH 1940 SET FLUSH IN A ROCK OUTCROP 18 FEET LONG, 4 FEET WIDE AND 3 FEET HIGH, IT IS 9.0 FEET NORTHWEST OF AN OAK TREE, 215 FEET WEST OF A NORTH-SOUTH FENCE, 450 FEET NORTH OF AN EAST-WEST FENCE AND 300 FEET EAST OF AN ABANDONED RESERVOIR. <p>TO REACH FROM THE INTERSECTION OF FIDDLETOWN ROAD AND SHENANDOAH ROAD, GO EAST 1.3 MILES TO A GATE WITH CATTLE GUARD ON LEFT, PASS THROUGH GATE AND TAKE LEFT FORK 0.5 MILE TO BARN YARD OF THE PIGEON RANCH, PACK NORTHEAST ABOUT 400 YARDS TO MARK. <p>HEIGHT OF LIGHT ABOVE STATION MARK 5.12 FEET. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2.5 MILES EAST OF PLYMOUTH JS0358Q 184http://www.geocaching.com/mark/details.asp?PID=JS0358Q 184GeocacheGeocacheQ 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 184</h1> <b> PID </b> JS0358 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 19. (N) 120 36 02. (W) SCALED <br> <b> NAVD 88 </b> 858.26 (+/-2cm) 2815.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.43 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,780. </td><td> 2,122,200. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 857.440 (m) 2813.12 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH094553(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: Q 184 1934 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1957 1.8 MI SW FROM PIONEER. 1.8 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE PIONEER SCHOOL AT PIONEER, IN R 12 E, T 7 N, IN THE NORTHEAST QUARTER OF SECTION 36, IN THE TOP OF A LARGE GRANITE OUTCROP, 44 FEET NORTH OF THE CENTER OF THE T JUNCTION OF A DIRT ROAD LEADING SOUTH TO A RESIDENCE, 25 FEET NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, 13 FEET NORTH OF A 20-INCH PINE TREE WITH A TRIANGULAR BLAZE, ABOUT 1 FOOT HIGHER THAN THE HIGHWAY AND ABOUT LEVEL WITH THE GROUND. JS0376Q 189http://www.geocaching.com/mark/details.asp?PID=JS0376Q 189GeocacheGeocacheQ 189CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 189</h1> <b> PID </b> JS0376 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 21 01. (N) 120 55 52. (W) SCALED <br> <b> NAVD 88 </b> 96.29 (+/-2cm) 315.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.63 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,440. </td><td> 2,093,430. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 95.565 (m) 313.53 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH807467(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: Q 189 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT IONE. AT IONE, AMADOR COUNTY, ON STATE HIGHWAY 88, AT THE EAST EDGE OF TOWN, ABOUT 300 FEET NORTH OF A SCHOOLHOUSE, 138 FEET SOUTH OF THE INTERSECTION OF MARLETTE AND IONE STREETS, 26 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AND 3 FEET NORTH OF A WIRE FENCE. A STANDARD DISK, STAMPED Q 189 1935 AND SET IN THE TOP OF A CONCRETE POST. JS0422Q 202http://www.geocaching.com/mark/details.asp?PID=JS0422Q 202GeocacheGeocacheQ 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 202</h1> <b> PID </b> JS0422 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 26 27. (N) 120 51 18. (W) SCALED <br> <b> NAVD 88 </b> 189.69 (+/-2cm) 622.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.99 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 586,570. </td><td> 2,099,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 188.931 (m) 619.85 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH872569(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: Q 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1962 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT DRYTOWN. AT DRYTOWN, AMADOR COUNTY, ON STATE HIGHWAY 49, ABOUT 100 FEET NORTHEAST OF THE NORTHEAST CORNER OF THE POST OFFICE, 52 FEET NORTH OF THE NORTHWEST CORNER OF A SMALL ABANDONED BRICK BUILDING ON THE EAST SIDE OF THE HIGHWAY, 32 FEET SOUTHEAST OF THE CENTER OF THE JUNCTION OF A PRIVATE DRIVE LEADING EAST, AND 44 FEET NORTHEAST OF THE CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED Q 202 1935 AND SET IN THE TOP OF A CONCRETE POST. NOTE-- A NEW PAVED PARKING AREA FOR A NEW SALOON WAS MADE AT THIS POINT. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1962 MARK NOT FOUND. JS0392Q 795http://www.geocaching.com/mark/details.asp?PID=JS0392Q 795GeocacheGeocacheQ 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 795</h1> <b> PID </b> JS0392 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 17 25. (N) 120 55 39. (W) SCALED <br> <b> NAVD 88 </b> 79.46 (+/-2cm) 260.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.82 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 569,780. </td><td> 2,093,830. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 78.740 (m) 258.33 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH812400(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: Q 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 5.3 MI S FROM IONE. 1.45 MILES SOUTH ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, THENCE 2.9 MILES SOUTHEAST ALONG A PAVED ROAD, THENCE 0.75 MILE WEST ALONG A PAVED ROAD, THENCE 0.2 MILE SOUTH ALONG A PAVED ROAD, 0.2 MILE SOUTH OF THE JUNCTION OF A ROAD LEADING WEST TO CLEMENTS, AT THE SOUTH END OF A STEEL TRUSS BRIDGE OVER JACKSON CREEK, 14 FEET EAST OF THE CENTER LINE OF THE ROAD, 39 FEET SOUTH OF THE SOUTHEAST CORNER OF THE BRIDGE FLOOR, 1.1 FEET WEST OF A FENCE, 1.1 FEET NORTH OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. JS0145Q 922http://www.geocaching.com/mark/details.asp?PID=JS0145Q 922GeocacheGeocacheQ 922CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 922</h1> <b> PID </b> JS0145 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 52. (N) 120 27 51. (W) SCALED <br> <b> NAVD 88 </b> 1415.01 (+/-2cm) 4642.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -26.00 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 595,240. </td><td> 2,133,940. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1414.088 (m) 4639.39 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH210659(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: Q 922 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 1 MI E FROM DEW DROP STATION. 1.0 MILE EAST ALONG STATE HIGHWAY 88 FROM THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, IN R 14 E, T 8 N, IN THE SOUTHWEST QUARTER OF SECTION 30, IN A SMALL BRUSH CLEARED AREA, 102 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, 1.5 FEET SOUTHWEST OF A FENCE, 1.6 FEET SOUTHEAST OF A WITNESS POST, ABOUT 3 1/2 FEET HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. JS0494Q 954http://www.geocaching.com/mark/details.asp?PID=JS0494Q 954GeocacheGeocacheQ 954CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 954</h1> <b> PID </b> JS0494 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 34. (N) 120 57 50. (W) SCALED <br> <b> NAVD 88 </b> 85.28 (+/-2cm) 279.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.85 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 571,870. </td><td> 2,090,620. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 84.568 (m) 277.45 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH780421(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: CULVERT HEADWALL <br>STAMPING: Q 954 1962 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1963 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19960226</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 3.9 MI SW FROM IONE. 3.9 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, IN THE TOP OF THE SOUTHEAST END OF THE WING WALL OF AN 18-INCH CONCRETE PIPE CULVERT NO. A-4.00, 20 FEET SOUTHEAST OF THE CENTER LINE OF THE HIGHWAY, ABOUT LEVEL WITH THE HIGHWAY. <p> <h2>STATION RECOVERY (1996) </h2> <p>RECOVERY NOTE BY CALTRANS 1996 (RS) RECOVERED AS DESCRIBED. AB3112Q 954 RESEThttp://www.geocaching.com/mark/details.asp?PID=AB3112Q 954 RESETGeocacheGeocacheQ 954 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>Q 954 RESET</h1> <b> PID </b> AB3112 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 34. (N) 120 57 50. (W) SCALED <br> <b> NAVD 88 </b> 85.43 (+/-2cm) 280.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.85 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 571,870. </td><td> 2,090,620. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 84.72 (m) 278.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH780421(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: Q 954 RESET 1994 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1994 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1994 (RS) 3.91 MILES (6.29 KM) SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE IN IONE, ON THE SOUTHERLY SIDE OF THE HIGHWAY, IN A CONCRETE POST 60 FEET (18.3 M) SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY AND ABOUT 6 FEET (1.8 M) ABOVE THE HIGHWAY. 48.0 FEET (14.6 M) SOUTH OF EDGE OF PAVEMENT, 1.8 FEET (0.5 M) NORTH OF FENCE (RIGHT OF WAY) , 80 FEET (24.4 M) WEST OF POST MILE 400. JS0359R 184http://www.geocaching.com/mark/details.asp?PID=JS0359R 184GeocacheGeocacheR 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 184</h1> <b> PID </b> JS0359 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WEST POINT (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 10. (N) 120 37 24. (W) SCALED <br> <b> NAVD 88 </b> 757.90 (+/-2cm) 2486.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.68 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 582,620. </td><td> 2,120,250. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 757.09 (m) 2483.9 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH075531(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: R 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 2.4 MI NE FROM PINE GROVE. 2.4 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM PINE GROVE, AMADOR COUNTY, 39 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, 26 FEET SOUTHWEST OF THE CENTER OF A GATE ON A WALK TO A FARMHOUSE, AND ON THE RIGHT-OF-WAY OF THE HIGHWAY. A STANDARD DISK, STAMPED R 184 1934 AND SET IN THE TOP OF A CONCRETE POST. JS0382R 189http://www.geocaching.com/mark/details.asp?PID=JS0382R 189GeocacheGeocacheR 189CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 189</h1> <b> PID </b> JS0382 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 42. (N) 120 57 41. (W) SCALED <br> <b> NAVD 88 </b> 79.43 (+/-2cm) 260.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.73 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 575,820. </td><td> 2,090,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 78.711 (m) 258.24 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH781460(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: R 189 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 1.4 MI W FROM IONE. 1.4 MILES WEST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE STATION AT IONE, AT THE CROSSING OF A PAVED ROAD, 41 1/2 FEET SOUTHWEST OF THE CENTER OF THE CROSSING, 36.0 FEET SOUTH OF THE SOUTH RAIL, 22 FEET WEST OF THE CENTER LINE OF THE ROAD, 10 1/2 FEET NORTHWEST OF A POWER LINE POLE, 11.8 FEET SOUTH OF THE WEST END OF A 12-INCH IRON PIPE CULVERT, 0.8 FOOT SOUTH OF A WITNESS POST, ABOUT LEVEL WITH THE TRACK, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. JS0423R 202http://www.geocaching.com/mark/details.asp?PID=JS0423R 202GeocacheGeocacheR 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 202</h1> <b> PID </b> JS0423 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 09. (N) 120 50 33. (W) SCALED <br> <b> NAVD 88 </b> 278.43 (+/-2cm) 913.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.00 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,180. </td><td> 2,101,080. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 277.663 (m) 910.97 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH883545(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: R 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 1.2 MI NW FROM AMADOR CITY. 1.2 MILES NORTHWEST ALONG STATE HIGHWAY 49 FROM AMADOR CITY, AMADOR COUNTY, ON THE OUTSIDE OF A LONG SHARP CURVE, 51 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, AND 25 FEET NORTH OF THE CENTER OF A FIELD GATE. A STANDARD DISK, STAMPED R 202 1935 AND SET IN THE TOP OF A CONCRETE POST. AH4463R 795 RESEThttp://www.geocaching.com/mark/details.asp?PID=AH4463R 795 RESETGeocacheGeocacheR 795 RESETNGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 795 RESET</h1> <b> PID </b> AH4463 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 16 21. (N) 120 56 19. (W) SCALED <br> <b> NAVD 88 </b> 92.34 (+/-2cm) 303.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.91 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 567,800. </td><td> 2,092,880. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 91.63 (m) 300.6 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH803380(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: R 795 RESET 1976 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1976 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1976 0.5 MILE (0.8 KM) WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT CAMANCHE, THENCE 4.85 MILES (7.81 KM) NORTH ALONG A PAVED ROAD, 22 FEET (6.7 M) EAST OF THE CENTERLINE OF THE ROAD, 10.9 FEET (3.3 M) NORTH OF A GUYED POWER POLE 38, 1.5 FEET (0.5 M) SOUTH OF A METAL WITNESS POST, 0.7 FEET (21.3 CM) WEST OF A FENCE LINE, ABOUT 1 FOOT (0.3 M) LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.1 FOOT (3.0 CM) ABOVE THE GROUND. JS0143R 922http://www.geocaching.com/mark/details.asp?PID=JS0143R 922GeocacheGeocacheR 922CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 922</h1> <b> PID </b> JS0143 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 31 19. (N) 120 26 55. (W) SCALED <br> <b> NAVD 88 </b> 1434.93 (+/-2cm) 4707.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -25.86 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 596,100. </td><td> 2,135,280. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1434.002 (m) 4704.72 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH224668(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: R 922 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 2 MI NE FROM DEW DROP STATION. 2.0 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, 0.6 MILE SOUTHWEST OF THE Y JUNCTION OF AN ASPHALT ROAD LEADING NORTH, IN R 14 E, T 8 N, IN THE NORTHEAST QUARTER OF SECTION 29, ON THE OUTSIDE OF A CURVE, 66 FEET NORTH OF THE CENTER OF THE Y JUNCTION OF AN ABANDONED HIGHWAY, 16 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, 1.2 FEET SOUTHEAST OF A FENCE, 1.6 FEET NORTHEAST OF A WITNESS POST, ABOUT 2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. JS0495R 954http://www.geocaching.com/mark/details.asp?PID=JS0495R 954GeocacheGeocacheR 954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>R 954</h1> <b> PID </b> JS0495 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 17. (N) 120 58 54. (W) SCALED <br> <b> NAVD 88 </b> 65.84 (+/-2cm) 216.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.91 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 571,330. </td><td> 2,089,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 65.126 (m) 213.67 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH764415(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE CURB <br>STAMPING: R 954 1962 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1963 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 5 MI SW FROM IONE. 4.95 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, IN THE TOP OF THE NORTHEAST END OF THE NORTHWEST CONCRETE CURB OF A CONCRETE BRIDGE OVER A CREEK, 14 FEET NORTHWEST OF THE CENTER LINE OF THE HIGHWAY, AND ABOUT 1 FOOT HIGHER THAN THE HIGHWAY. JS0122S 183 RESET 1959http://www.geocaching.com/mark/details.asp?PID=JS0122S 183 RESET 1959GeocacheGeocacheS 183 RESET 1959CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 183 RESET 1959</h1> <b> PID </b> JS0122 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CAPLES LAKE (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 24. (N) 120 05 57. (W) SCALED <br> <b> NAVD 88 </b> 2433.48 (+/-2cm) 7983.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -23.85 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 617,180. </td><td> 2,165,320. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 2432.18 (m) 7979.6 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH522882(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 183 RESET 1959 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1959 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>1974 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1959 1.9 MI W FROM KIRKWOOD. THE MARK IS LOCATED ABOUT 1.9 MILES WEST ALONG STATE HIGHWAY 88 FROM KIRKWOOD, AT CARSON SPUR, 94 FEET NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, 30 FEET NORTHWEST OF A 30 INCH PINE TREE, 22 FEET NORTHEAST OF A CLUSTER OF NAILS IN THE FORK OF AN ODD SHAPED FIR TREE, 69 FEET EAST OF A 14 INCH TAMARACK PINE, AND OPPOSITE A GUARD RAIL, AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 RECOVERED IN GOOD CONDITION. JS0361S 184 RESET 1941http://www.geocaching.com/mark/details.asp?PID=JS0361S 184 RESET 1941GeocacheGeocacheS 184 RESET 1941CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 184 RESET 1941</h1> <b> PID </b> JS0361 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 28. (N) 120 39 00. (W) SCALED <br> <b> NAVD 88 </b> 772.12 (+/-2cm) 2533.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.83 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 583,140. </td><td> 2,117,910. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 771.30 (m) 2530.5 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH051536(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CURB OF PUMP BASE <br>STAMPING: S 184 1934 RESET 1941 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1941 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1941 0.7 MI NE FROM PINE GROVE. 0.7 MILE NORTHEAST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT PINE GROVE, AMADOR COUNTY, AT THE MT. ZION SERVICE STATION OWNED IN 1941 BY JOHN W. HARKINS, IN THE CONCRETE CURBING OF THE BASE OF A PUMP, AND ABOUT 13 PACES EAST OF THE CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED S 184 1934 RESET 1941. JS0379S 189http://www.geocaching.com/mark/details.asp?PID=JS0379S 189GeocacheGeocacheS 189CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 189</h1> <b> PID </b> JS0379 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 22 25. (N) 120 59 02. (W) SCALED <br> <b> NAVD 88 </b> 83.39 (+/-2cm) 273.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.70 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 578,970. </td><td> 2,088,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 82.665 (m) 271.21 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH761491(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 189 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 3.7 MI NW FROM IONE. 3.7 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE STATION AT IONE, AT CLARKSONA SIDING, IN R9E T6N, 70 FEET NORTH OF THE CENTER OF THE CROSSING OF A PAVED ROAD, 4 POLES EAST AND ACROSS THE TRACK FROM MILEPOLE 135, 46.5 FEET NORTHEAST OF THE NORTHEAST RAIL OF THE MAIN TRACK, 38 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, 5 1/2 FEET NORTHWEST OF A POWER LINE POLE WITH THREE GUY WIRES, 4 1/2 FEET NORTHWEST OF A FENCE CORNER, 0.8 FOOT SOUTHEAST OF A WITNESS POST, 1.2 FEET SOUTHWEST OF A FENCE, ABOUT LEVEL WITH THE TRACK, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. JS0424S 202http://www.geocaching.com/mark/details.asp?PID=JS0424S 202GeocacheGeocacheS 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 202</h1> <b> PID </b> JS0424 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 04. (N) 120 49 25. (W) SCALED <br> <b> NAVD 88 </b> 291.64 (+/-2cm) 956.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.90 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 584,040. </td><td> 2,102,730. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 290.867 (m) 954.29 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH900544(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT AMADOR CITY. AT AMADOR CITY, AMADOR COUNTY, AT THE SOUTH CITY LIMITS, ON STATE HIGHWAY 49, ABOUT 30 YARDS NORTHEAST OF THE NORTHEAST CORNER OF AN OLD BRICK HOTEL, 67 FEET SOUTHWEST OF THE SOUTH END OF THE WEST WING WALL OF A 6-FOOT CONCRETE-BOX CULVERT, AND 32 FEET WEST OF THE CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED S 202 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1957) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 MARK NOT FOUND. JS0396S 795http://www.geocaching.com/mark/details.asp?PID=JS0396S 795GeocacheGeocacheS 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 795</h1> <b> PID </b> JS0396 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WALLACE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 14 42. (N) 120 56 48. (W) SCALED <br> <b> NAVD 88 </b> 92.59 (+/-2cm) 303.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.04 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 564,730. </td><td> 2,092,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 91.875 (m) 301.43 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH796349(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 3.2 MI NW FROM CAMANCHE. 0.5 MILE WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT CAMANCHE, THENCE 2.65 MILES NORTH ALONG A PAVED ROAD, 0.15 MILE SOUTH OF THE JUNCTION OF A DIRT ROAD LEADING WEST, ON THE OUTSIDE OF A CURVE, 100 FEET SOUTHWEST OF THE APPROXIMATE CENTER OF THE CURVE, 31 FEET WEST OF THE CENTER LINE OF THE ROAD, 1.5 FEET EAST OF A FENCE, 1.0 FOOT NORTH OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. NOTE-- A COPPER NAIL AND WASHER STAMPED AM IS IN THE TOP OF A ROOT ON THE WEST SIDE OF A 30-INCH OAK TREE 183 FEET SOUTHEAST ACROSS THE ROAD FROM BENCH MARK S 795. JS0142S 922http://www.geocaching.com/mark/details.asp?PID=JS0142S 922GeocacheGeocacheS 922CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 922</h1> <b> PID </b> JS0142 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 31 41. (N) 120 26 31. (W) SCALED <br> <b> NAVD 88 </b> 1478.15 (+/-2cm) 4849.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -25.79 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 596,780. </td><td> 2,135,850. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1477.214 (m) 4846.49 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH229675(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 922 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 2.6 MI NE FROM DEW DROP STATION. 2.6 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, AT THE Y JUNCTION OF AN ASPHALT ROAD LEADING NORTH, IN R 14 E. T 8 N, IN THE SOUTHWEST QUARTER OF SECTION 21, 55 1/2 FEET SOUTHEAST OF THE CENTER LINE OF THE HIGHWAY, 30 FEET EAST OF A 60-INCH PINE TREE, 20 FEET EAST OF THE PROLONGATION OF THE CENTER LINE OF THE WEST LEG OF A TRIANGLE FORMED BY THE JUNCTION, 1.3 FEET NORTHWEST OF A WITNESS POST, ABOUT 2 1/2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. JS0496S 954http://www.geocaching.com/mark/details.asp?PID=JS0496S 954GeocacheGeocacheS 954CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 954</h1> <b> PID </b> JS0496 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 17 40. (N) 120 59 43. (W) SCALED <br> <b> NAVD 88 </b> 59.60 (+/-2cm) 195.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.99 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 570,170. </td><td> 2,087,890. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 58.888 (m) 193.20 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH753403(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: S 954 1962 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1962 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1963 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1963 5.9 MI SW FROM IONE. 5.9 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE AT IONE, IN THE TOP AND 1.4 FEET SOUTHWEST OF THE NORTHEAST END OF THE SOUTHEAST CONCRETE HEAD WALL OF 4-FOOT PIPE CULVERT 110+12, 30 FEET SOUTHEAST OF THE CENTER LINE OF THE HIGHWAY, AND ABOUT 1 FOOT LOWER THAN THE HIGHWAY. AA9717S 954 RESEThttp://www.geocaching.com/mark/details.asp?PID=AA9717S 954 RESETGeocacheGeocacheS 954 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>S 954 RESET</h1> <b> PID </b> AA9717 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> IONE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 17 40. (N) 120 59 43. (W) SCALED <br> <b> NAVD 88 </b> 62.30 (+/-2cm) 204.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.99 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 570,170. </td><td> 2,087,890. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 61.58 (m) 202.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH753403(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: S 954 RESET 1994 <br>MARK LOGO: NGS <br>MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1994 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1994 (RS) 6.0 MILES (9.7 KM) SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE IN IONE, ON THE SOUTHWESTERLY SIDE OF THE HIGHWAY, 48 FEET (14.6 M) FROM THE CENTERLINE OF HIGHWAY, 3.0 FEET (0.9 M) NORTHEASTERLY OF RIGHT-OF-WAY FENCE, 5.2 FEET (1.6 M) WESTERLY OF POWER POLE, AND 10.7 FEET (3.3 M) SOUTHEASTERLY OF AN ANCHOR CABLE. 3.0 FEET (0.9 M) WEST OF A WITNESS POST. JS0425SUTTER CREEKhttp://www.geocaching.com/mark/details.asp?PID=JS0425SUTTER CREEKGeocacheGeocacheSUTTER CREEKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>SUTTER CREEK</h1> <b> PID </b> JS0425 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 28. (N) 120 48 09. (W) SCALED <br> <b> NAVD 88 </b> 365.83 (+/-2cm) 1200.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.88 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 581,110. </td><td> 2,104,610. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 365.055 (m) 1197.68 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH919514(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: FLAGPOLE BASE <br>STAMPING: SUTTER CREEK 1934 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 AT SUTTER CREEK. AT SUTTER CREEK, AMADOR COUNTY, AT THE SOUTH CITY LIMITS, ON STATE HIGHWAY 49, IN THE CENTER OF A SOUTH MAIN STREET PLOT, AT A FLAGPOLE, IN THE SOUTHWEST SIDE OF THE CONCRETE BASE, AND ABOUT ONE HALF FOOT HIGHER THAN THE SIDEWALK. A STANDARD DISK, STAMPED SUTTER CREEK 1934 AND SET VERTICALLY. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (LAK) RECOVERED IN GOOD CONDITION. JS0363T 184 RESET 1961http://www.geocaching.com/mark/details.asp?PID=JS0363T 184 RESET 1961GeocacheGeocacheT 184 RESET 1961CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>T 184 RESET 1961</h1> <b> PID </b> JS0363 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 10. (N) 120 40 23. (W) SCALED <br> <b> NAVD 88 </b> 678.34 (+/-2cm) 2225.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.01 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 582,560. </td><td> 2,115,900. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 677.52 (m) 2222.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH031530(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: T 184 RESET 1961 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1961 </td><td>MONUMENTED </td><td>CADH</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1961 1.4 MI SW FROM PINE GROVE. THIS MARK IS LOACTED ABOUT 1.4 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM PINE GROVE, AT PIPE CULVERT STATION 402+90 IN THE TOP OF THE NORTHERLY HEADWALL, 6 INCHES FROM THE WESTERLY END, AND IS SET IN THE HEADWALL OF A NEW CULVERT INSTALLATION AT THE SAME LOCATION AS THE OLD ONE. JS0427T 202 RESET 1958http://www.geocaching.com/mark/details.asp?PID=JS0427T 202 RESET 1958GeocacheGeocacheT 202 RESET 1958CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>T 202 RESET 1958</h1> <b> PID </b> JS0427 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> AMADOR CITY (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 22 40. (N) 120 48 08. (W) SCALED <br> <b> NAVD 88 </b> 474.94 (+/-2cm) 1558.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.94 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 579,630. </td><td> 2,104,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 474.16 (m) 1555.6 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH919500(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: T 202 RESET 1958 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1958 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1958 1.3 MI SE FROM SUTTER CREEK. ABOUT 1.3 MILES SOUTHEAST ALONG STATE HIGHWAY 49 FROM SUTTER CREEK, AMADOR CREEK, ABOUT 155 FEET SOUTH OF THE CENTERLINE INTERSECTION OF STATE HIGHWAY 49 AND COUNTY ROAD 951, RIDGE ROAD, 37 FEET SOUTHWEST OF THE CENTERLINE OF STATE HIGHWAY 49, AND 79 FEET NORTHWEST ALONG THE FENCE LINE FROM THE PRIVATE ROAD APPROACH LEADING WEST TO THE ITALIAN PICNIC GROUND OFF OF STATE HIGHWAY 49. A STANDARD DISK, STAMPED T 202 RESET 1958 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (LAK) MARK NOT FOUND. JS1361T 856http://www.geocaching.com/mark/details.asp?PID=JS1361T 856GeocacheGeocacheT 856CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>T 856</h1> <b> PID </b> JS1361 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CARBONDALE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 33. (N) 121 01 43. (W) SCALED <br> <b> NAVD 88 </b> 67.06 (+/-2cm) 220.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.73 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 582,880. </td><td> 2,084,840. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 66.341 (m) 217.65 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH721530(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: T 856 1949 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 2.5 MI W FROM CARBONDALE. 0.9 MILE SOUTHWEST ALONG A COUNTY ROAD FROM THE SECTION HOUSE AT CARBONDALE, THENCE 1.6 MILES NORTHWEST ALONG THE IONE-SACRAMENTO HIGHWAY, AT THE AMADOR-SACRAMENTO COUNTY LINE, 0.6 MILE WEST OF THE SOUTHERN PACIFIC CO. RAILROAD CROSSING, 222 FEET EAST OF A 24-INCH METAL PIPE CULVERT, 52 FEET NORTH OF THE COUNTY LINE SIGN, 33 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, 2.0 FEET EAST OF A WITNESS POST, 1.5 FEET SOUTH OF A FENCE, ABOUT 1 FOOT LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. AA9718T 954 RESEThttp://www.geocaching.com/mark/details.asp?PID=AA9718T 954 RESETGeocacheGeocacheT 954 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>T 954 RESET</h1> <b> PID </b> AA9718 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> GOOSE CREEK (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 17 08. (N) 121 00 18. (W) SCALED <br> <b> NAVD 88 </b> 78.73 (+/-2cm) 258.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.05 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 569,180. </td><td> 2,087,050. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 78.02 (m) 256.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH744393(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: T 954 RESET 1994 <br>MARK LOGO: NGS <br>MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1994 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1994 (RS) 7.0 MILES (11.3 KM) SOUTHWEST ALONG STATE HIGHWAY 88 FROM THE POST OFFICE IN IONE, ON THE NORTHWESTERLY SIDE OF THE HIGHWAY, 50 FEET (15.2 M) FROM THE CENTERLINE AND 2 FEET (0.6 M) FROM THE RIGHT-OF-WAY FENCE, AND NEAR THE END OF DIAGONAL CROSSDRAIN AT APPROXIMATE POST MILE 0.99. JS0364U 184http://www.geocaching.com/mark/details.asp?PID=JS0364U 184GeocacheGeocacheU 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>U 184</h1> <b> PID </b> JS0364 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> PINE GROVE (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 08. (N) 120 41 16. (W) SCALED <br> <b> NAVD 88 </b> 536.96 (+/-2cm) 1761.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.20 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 580,630. </td><td> 2,114,640. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 536.15 (m) 1759.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH019511(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: U 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 3.4 MI SW FROM PINE GROVE. 3.4 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM PINE GROVE, AMADOR COUNTY, ABOUT 425 FEET SOUTHWEST OF CULVERT 282/00, 91 FEET SOUTHWEST OF 6- BY 6-INCH CONCRETE RIGHT-OF-WAY MARKER 278-79, AND 39 FEET NORTHWEST OF THE CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED U 184 1934 AND SET IN THE TOP OF A CONCRETE POST. JS1316U 189http://www.geocaching.com/mark/details.asp?PID=JS1316U 189GeocacheGeocacheU 189CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>U 189</h1> <b> PID </b> JS1316 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CARBONDALE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 16. (N) 121 01 15. (W) SCALED <br> <b> NAVD 88 </b> 66.81 (+/-2cm) 219.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.72 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 582,360. </td><td> 2,085,530. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 66.091 (m) 216.83 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH728525(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: U 189 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 7.4 MI NW FROM IONE. 7.4 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE STATION AT IONE, IN R9E T6N, 0.7 MILE WEST OF BENCH MARK W 794, AT CROSSING 131.4, 68 FEET SOUTHWEST OF THE CENTER OF THE CROSSING, 52.5 FEET WEST OF THE WEST RAIL, 30 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 17 1/2 FEET WEST OF THE WEST END OF A GATE, 0.5 FOOT NORTH OF A FENCE, 1.1 FEET EAST OF A WITNESS POST, ABOUT 2 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. JS0428U 202http://www.geocaching.com/mark/details.asp?PID=JS0428U 202GeocacheGeocacheU 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>U 202</h1> <b> PID </b> JS0428 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> JACKSON (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 47. (N) 120 46 04. (W) SCALED <br> <b> NAVD 88 </b> 377.26 (+/-2cm) 1237.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.89 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,180. </td><td> 2,107,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 376.493 (m) 1235.21 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH950466(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: U 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>19900101</td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT JACKSON. AT JACKSON, AMADOR COUNTY, AT THE NORTHWEST CORNER OF THE INTERSECTION OF BRIGHT AVENUE AND BROADWAY, 52 FEET NORTHEAST OF THE CENTERLINE OF BROADWAY, 31 FEET WEST OF THE CENTERLINE OF BRIGHT AVENUE, AND 30 FEET SOUTH OF THE SOUTHEAST CORNER OF AN OLD STONE BUILDING. A STANDARD DISK, STAMPED U202 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (LAK) RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1990) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1990 (DW) MARK NOT FOUND. JS0399U 795http://www.geocaching.com/mark/details.asp?PID=JS0399U 795GeocacheGeocacheU 795CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>U 795</h1> <b> PID </b> JS0399 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> WALLACE (1962) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 13 37. (N) 120 56 27. (W) SCALED <br> <b> NAVD 88 </b> 47.08 (+/-2cm) 154.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.08 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 562,740. </td><td> 2,092,740. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 46.365 (m) 152.12 (f) ADJ UNCH 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH802330(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: U 795 1947 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 1.5 MI NW FROM CAMANCHE. 0.5 MILE WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT CAMANCHE, THENCE 1.0 MILE NORTH ALONG A PAVED ROAD, 0.5 MILE NORTHWEST OF A STEEL TRUSS BRIDGE OVER THE MOKELUMNE RIVER, 164 FEET NORTH OF THE NORTH END OF A SMALL WOODEN BRIDGE OVER A CREEK, 14 FEET WEST OF THE CENTER LINE OF THE ROAD, 1.3 FEET EAST OF A FENCE, 0.8 FOOT SOUTH OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 1.0 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION. JS0140U 922http://www.geocaching.com/mark/details.asp?PID=JS0140U 922GeocacheGeocacheU 922CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>U 922</h1> <b> PID </b> JS0140 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CALDOR (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 31 52. (N) 120 25 02. (W) SCALED <br> <b> NAVD 88 </b> 1502.56 (+/-2cm) 4929.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -25.62 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 597,160. </td><td> 2,138,000. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 1501.616 (m) 4926.55 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH251679(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: U 922 1957 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 4.1 MI NE FROM DEW DROP STATION. 4.1 MILES NORTHEAST ALONG STATE HIGHWAY 88 FROM THE STATE OF CALIFORNIA DIVISION OF FORESTRY DEW DROP STATION, 0.9 MILE NORTHEAST OF COOKS STATION, IN R 14 E, T 8 N, NEAR THE NORTHEAST CORNER OF THE SOUTHWEST QUARTER OF SECTION 22, 57 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 1.4 FEET NORTH OF A FENCE, 2.0 FEET EAST OF A WITNESS POST, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FEET ABOVE THE GROUND. JS0126V 183 RESET 1951http://www.geocaching.com/mark/details.asp?PID=JS0126V 183 RESET 1951GeocacheGeocacheV 183 RESET 1951CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>V 183 RESET 1951</h1> <b> PID </b> JS0126 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> CAPLES LAKE (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 01. (N) 120 07 27. (W) SCALED <br> <b> NAVD 88 </b> 2314.13 (+/-2cm) 7592.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -23.95 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 610,870. </td><td> 2,163,270. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 2312.86 (m) 7588.1 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SGH502818(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: V 183 RESET 1951 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1951 </td><td>MONUMENTED </td><td>CADH</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1951 1.7 MI SW FROM KAYS RESORT. 1.7 MILES SOUTHWEST ALONG STATE HIGHWAY 88 FROM KAYS RESORT, AMADOR COUNTY, AT THE JUNCTION OF A ROAD LEADING TO PLASSES RESORT, 60 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND IN THE TOP OF AN 8-FOOT GRANITE BOULDER. A STANDARD DISK, STAMPED V 183 RESET 1951. JS0365V 184http://www.geocaching.com/mark/details.asp?PID=JS0365V 184GeocacheGeocacheV 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>V 184</h1> <b> PID </b> JS0365 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 22 00. (N) 120 43 02. (W) SCALED <br> <b> NAVD 88 </b> 438.13 (+/-2cm) 1437.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.50 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 578,500. </td><td> 2,112,100. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 437.34 (m) 1434.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH994489(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: V 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 3.8 MI E FROM JACKSON. 3.8 MILES EAST ALONG STATE HIGHWAY 88 FROM JACKSON, AMADOR COUNTY, 61 FEET EAST OF THE CENTER OF A GATE AT A WALK TO A SMALL FARMHOUSE, 31 FEET SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY, AND ON THE RIGHT-OF-WAY. A STANDARD DISK, STAMPED V 184 1934 AND SET IN THE TOP OF A CONCRETE POST. JS0429V 202http://www.geocaching.com/mark/details.asp?PID=JS0429V 202GeocacheGeocacheV 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>V 202</h1> <b> PID </b> JS0429 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 34. (N) 120 44 40. (W) SCALED <br> <b> NAVD 88 </b> 341.42 (+/-2cm) 1120.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.85 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 573,960. </td><td> 2,109,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 340.653 (m) 1117.63 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH971444(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: V 202 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 2.4 MI S FROM JACKSON. 2.4 MILES SOUTH ALONG STATE HIGHWAY 49 FROM JACKSON, AMADOR COUNTY, AT THE MOUTH OF A SMALL RAVINE, 56 FEET WEST OF TELEPHONE POLE 536, AND 30 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED V 202 1935 AND SET IN THE TOP OF A CONCRETE POST. JS0366W 184http://www.geocaching.com/mark/details.asp?PID=JS0366W 184GeocacheGeocacheW 184CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>W 184</h1> <b> PID </b> JS0366 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 21 40. (N) 120 44 56. (W) SCALED <br> <b> NAVD 88 </b> 391.32 (+/-2cm) 1283.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.72 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 577,840. </td><td> 2,109,340. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 390.54 (m) 1281.3 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SFH966482(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: W 184 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 1.8 MI E FROM JACKSON. 1.8 MILES EAST ALONG STATE HIGHWAY 88 FROM JACKSON, AMADOR COUNTY, 34 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY AND 23 FEET EAST OF THE CENTERLINE OF A FARM ENTRANCE. A STANDARD DISK, STAMPED W 184 1934 AND SET IN THE TOP OF A CONCRETE POST. NOTE-- A NEW HIGHWAY-ALIGNMENT JOB HAS BEEN DONE HERE. <p> <h2>STATION RECOVERY (1957) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 MARK NOT FOUND. JS0430W 202http://www.geocaching.com/mark/details.asp?PID=JS0430W 202GeocacheGeocacheW 202CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>W 202</h1> <b> PID </b> JS0430 <br> <b> STATE/COUNTY</b> CA/AMADOR <br> <b> USGS QUAD </b> MOKELUMNE HILL (1948) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 18 57. (N) 120 43 19. (W) SCALED <br> <b> NAVD 88 </b> 204.53 (+/-2cm) 671.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.77 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 572,850. </td><td> 2,111,770. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/92) 203.761 (m) 668.51 (f) ADJ UNCH 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adju