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Author
- International Steering Committee for Global Mapping48
- California. Department of Water Resources39
- Afghanistan Information Management Service38
- Circuit Rider Productions34
- ML InfoMap (Firm)34
- Beijing Hua tong ren shi chang xin xi you xian ze ren gong si31
- University of Michigan. China Data Center31
- United States. Bureau of the Census. Geography Division21
- California Geological Survey17
- World Wildlife Fund14
- Kelso, Nathaniel Vaughn9
- Patterson, Tom9
- California. Department of Conservation8
- California. Division of Mines and Geology8
- Environmental Systems Research Institute (Redlands, Calif.)8
- Euratlas-Nüssli8
- Nüssli, Christos8
- Nüssli, Marc-Antoine8
- Bay Area Open Space Council7
- Conservation Lands Network7