Creator
- California. Department of Water Resources64
- Gap Analysis Program (U.S.)60
- California. Farmland Mapping and Monitoring Program45
- San Joaquin County, Community Development, Geographic Information Systems36
- Smith, Walter H. F.29
- Wessel, Paul29
- Geological Survey (U.S.)18
- National Atlas of the United States18
- New Zealand. National Topographic/Hydrographic Authority14
- United States. Department of Housing and Urban Development14
- San Joaquin County (Calif.). Community Development Department13
- Togo. Direction General of Cartography12
- Golden, Nadine E.10
- National Energy Information Center (U.S.)10
- Environmental Systems Research Institute (Redlands, Calif.)9
- Greene, H. G.9
- Kern County (Calif.) -- Engineering, Surveying and Permit Services 9
- San Mateo County (Calif.)9
- California. Department of Transportation8
- Stanislaus County (Calif.)8