Creator
- World Wildlife Fund (WWF)40
- San Joaquin County (Calif.). Community Development Department39
- Cochrane, Guy R.38
- Greene, H. G.38
- Santa Clara County (Calif.). Planning Office38
- Virtual Shanghai Project37
- Arctic Climate System (ACSYS)35
- Sacramento County GIS35
- Moss Landing Marine Laboratories33
- Placer County Geographic Information Systems33
- California. Division of Mines and Geology32
- United States. Department of Commerce31
- United States. National Ocean Service31
- Ritchie, Andrew C.30
- Hartwell, Stephen R.29
- Smith, Walter H. F.29
- Wessel, Paul29
- Erdey, Mercedes D.27
- Manson, Michael W.27
- United States. Bureau of the Census. Geography Division27