Creator
- Nature Conservancy (U.S.)6
- California Geological Survey3
- Fire and Resource Assessment Program (Calif.)2
- Geological Survey (U.S.)2
- International Livestock Research Institute2
- Coastal Services Center (U.S.)1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Monterey County (Calif.)1
- National Atlas of the United States1
- Patuxent Wildlife Research Center1
- Tehama County Public Works1
- U.S. Fish and Wildlife Service1
- United States. National Ocean Service1
- United States. National Oceanic and Atmospheric Administration1