Creator
- Gap Analysis Program (U.S.)60
- Uganda Bureau of Statistics4
- National Atlas of the United States3
- County of San Mateo Information Services Department2
- Direccion General de Catastro y Geografia, General Direction for Cadastre and Geography2
- Bay Area Open Space Council1
- California. Farmland Mapping and Monitoring Program1
- City of Berkeley, CA1
- Eubank, Nicholas1
- IUCN--The World Conservation Union1
- King, Howatt P.1
- Nature Conservancy (U.S.)1
- San Mateo County (Calif.)1
- Stackhouse, Cecil1
- Tehama County Public Works1
- UNEP World Conservation Monitoring Centre1
- US Census Bureau1
- United States. Bureau of Transportation Statistics1
- United States. Department of Commerce1
- United States. Department of Housing and Urban Development1