Publisher
- Gap Analysis Program (U.S.)60
- International Steering Committee for Global Mapping28
- United States. Department of State. Office of the Geographer. Humanitarian Information Unit5
- Northeast Ocean Data4
- United States. Bureau of Transportation Statistics4
- County of San Mateo Information Services Department3
- United States. National Oceanic and Atmospheric Administration3
- Coastal Services Center (U.S.)2
- Tuolumne County (Calif.). Geographic Information Systems2
- United States. Department of Housing and Urban Development2
- Butte County (Calif.) -- Geographic Information Systems1
- California. Department of Transportation1
- California. Department of Water Resources1
- County of Santa Cruz Information Services Department1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Sacramento County GIS1
- Tehama County Public Works1
- Wyoming Geographic Information Sciences Center1
- Yolo County (Calif.). Public Works Division 1