Creator
- California. Department of Water Resources33
- United States. Bureau of the Census. Geography Division4
- Jasper Ridge Biological Preserve (Agency)3
- Mongolia. Ulsyn Geodezi, Zurag Zu̇ĭn Gazar2
- Zambia. Survey Department2
- County of San Mateo Information Services Department1
- Monterey County (Calif.)1
- U.S. Fish and Wildlife Service1
- World Resources Institute1