Creator
- California. Department of Water Resources16
- Erdey, Mercedes D.14
- Manson, Michael W.13
- California. Metropolitan Transportation Commission11
- Environmental Systems Research Institute (Redlands, Calif.)11
- Greene, H. G.11
- Bay Area Open Space Council10
- Hartwell, Stephen R.10
- Macedonia (Republic). Agency for Real Estate Cadastre10
- Nature Conservancy (U.S.)10
- Conservation Lands Network9
- Geological Survey (U.S.)9
- GreenInfo Network (Firm)9
- Ritchie, Andrew C.9
- San Francisco Bay Area Upland Habitat Goals Project9
- Direccion General de Catastro y Geografia, General Direction for Cadastre and Geography8
- Uganda Bureau of Statistics8
- National Atlas of the United States7
- Conrad, Jamie E.6
- Endris, Charles A.6