Publisher
- U.S. Census Bureau. Geography Division96
- California. Metropolitan Transportation Commission13
- Calaveras County GIS3
- California. Department of Fish and Game. Marine Resources Region3
- National Atlas of the United States3
- County of Santa Cruz Information Services Department2
- Geological Survey (U.S.)2
- California. Division of Mines and Geology1
- County of San Mateo Information Services Department1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Northeast Ocean Data1
- Stanford Digital Repository1
- Tehama County Public Works1
- United States. Department of Housing and Urban Development1