Publisher
- North American Cartographic Information Society80
- Gap Analysis Program (U.S.)60
- International Steering Committee for Global Mapping17
- United States. Department of Housing and Urban Development15
- County of San Mateo Information Services Department3
- County of Santa Cruz Information Services Department2
- United States. Bureau of Transportation Statistics2
- United States. Department of State. Humanitarian Information Unit2
- Coastal Services Center (U.S.)1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Humboldt County Planning and Building Department1
- Jasper Ridge Biological Preserve (Agency)1
- National Atlas of the United States1
- Northeast Ocean Data1
- Tehama County Public Works1
- United States. National Oceanic and Atmospheric Administration1