Creator
- International Livestock Research Institute3
- Fire and Resource Assessment Program (Calif.)2
- California Geological Survey1
- Geological Survey (U.S.)1
- Monterey County (Calif.)1
- National Atlas of the United States1
- Nature Conservancy (U.S.)1
- Patuxent Wildlife Research Center1
- Tehama County Public Works1
- U.S. Fish and Wildlife Service1
- World Resources Institute1