- United States. Department of Housing and Urban Development13
- San Joaquin County (Calif.). Community Development Department9
- Community Development Agency, County of Marin, California2
- Environmental Systems Research Institute (Redlands, Calif.)2
- Geological Survey (U.S.)2
- National Atlas of the United States2
- San Joaquin County, Community Development, Geographic Information Systems2
- Department of Information Technology, Solano Regional GIS Consortium 1
- Nevada County (Calif.)1
- Armstrong, Jake H.1
- CDA GIS County of Marin1
- California. Office of Statewide Health Planning and Development1
- County of San Mateo Information Services Department1
- Department of Public Works, Engineering & Construction, Bicycle & Pedestrian Program1
- San Mateo County (Calif.)1
- United States. Bureau of Transportation Statistics1
- United States. Department of State. Humanitarian Information Unit1
- United States. Department of State. Office of the Geographer1
- Yolo County, Public Works Division, Planning Services 1