Publisher
- Lincoln Institute of Land Policy478
- U.S. Census Bureau. Geography Division96
- California. Metropolitan Transportation Commission4
- United States. Department of Housing and Urban Development4
- Calaveras County GIS3
- County of Santa Cruz Information Services Department2
- Environmental Systems Research Institute (Redlands, Calif.)2
- National Atlas of the United States2
- Bay Area Open Space Council1
- California. Department of Fish and Game. Marine Resources Region1