California Counties

San Diego County

Official county website

GSAK Polygon: San Diego polygon
Benchmark .zip file: ca073.zip
Benchmark BMGPX file: ca073.gpx
Oldest cache: GC5B
Confluence Points:
DeLorme Polygons:

City and other polygons:

Other resources:

San Diego Convention and Visitors Bureau

San Diego East Visitors Bureau

San Diego North Convention and Visitors Bureau (geez they have a lot of visitors bureaus!)