Publisher
- California. Department of Fish and Game. Marine Resources Region6
- National Atlas of the United States3
- County of San Mateo Information Services Department2
- California. Department of Water Resources1
- County of Santa Cruz Information Services Department1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Geological Survey (U.S.)1
- Northeast Ocean Data1
- Santa Clara Valley Water District (Calif.)1
- Tehama County Public Works1
- United States. Department of Housing and Urban Development1
- World Resources Institute1