Creator
- Gap Analysis Program (U.S.)60
- San Joaquin County, Community Development, Geographic Information Systems28
- Smith, Walter H. F.28
- Wessel, Paul28
- United States. Department of Housing and Urban Development11
- San Joaquin County (Calif.). Community Development Department9
- Community Development Agency, County of Marin, California4
- County of San Mateo Information Services Department4
- National Atlas of the United States4
- Santa Cruz County GIS4
- Geological Survey (U.S.)3
- Kern County (Calif.) -- Engineering, Surveying and Permit Services 3
- San Mateo County (Calif.)3
- Humboldt County Community Development Services -- Advance Planning Division2
- Mono County (Calif.) -- Information Technology2
- New Zealand. National Topographic/Hydrographic Authority2
- San Joaquin County, Community Development, Geographic Information Systems 2
- Santa Clara Valley Water District (Calif.)2
- Togo. Direction General of Cartography2
- Tuolumne County (Calif.). Geographic Information Systems2