Publisher
- Gap Analysis Program (U.S.)60
- United States. National Geospatial-Intelligence Agency28
- United States. Department of Housing and Urban Development11
- County of San Mateo Information Services Department4
- International Steering Committee for Global Mapping4
- National Atlas of the United States4
- Geological Survey (U.S.)3
- Humboldt County Planning and Building Department2
- Santa Clara Valley Water District (Calif.)2
- Tuolumne County (Calif.). Geographic Information Systems2
- California. Department of Transportation1
- Monterey County (Calif.)1
- National Marine Protected Areas Center (U.S.)1
- Northeast Regional Ocean Council1
- Solano County Department of Information Technology1
- Tehama County Public Works1
- United States. Bureau of Transportation Statistics1