Creator
- Environmental Systems Research Institute (Redlands, Calif.)6
- Geological Survey (U.S.)6
- California. Department of Fish and Game. Marine Resources Region2
- Geological Survey of Kenya2
- International Livestock Research Institute2
- California. Metropolitan Transportation Commission1
- Food and Agriculture Organization of the United Nations1
- Kokusai Kyōryoku Kikō1
- Rosenberg, Lewis I.1
- U.S. Department of Commerce, Bureau of the Census, Geography Division1
- United States Geological Survey1