Publisher
- California. Department of Fish and Game. Marine Resources Region4
- North American Cartographic Information Society4
- Environmental Systems Research Institute (Redlands, Calif.)3
- United States. Department of State. Humanitarian Information Unit3
- National Atlas of the United States2
- Solano County Department of Information Technology2
- United States. Bureau of Transportation Statistics2
- Bay Area Open Space Council1
- California. Office of Statewide Health Planning and Development1
- Monterey County (Calif.)1
- San Joaquin County (Calif.). Community Development Department1
- Stanford Digital Repository1