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Author
- ESRI117
- Environmental Systems Research Institute (Redlands, Calif.)16
- CHGIS, Harvard Yenching Institute10
- University of Michigan. China Data Center.10
- CITAS and Chinese Academy of Sciences7
- Economic and Social Research Institute (Reston, Va.)7
- Beijing Hua tong ren shi chang xin xi you xian ze ren gong si6
- Michael Bauer Research GmbH5
- Tele Atlas North America, Inc.5
- DeLorme Publishing Company, Inc.3
- LeadDog Consulting, LLC3
- TomTom North America, Inc.3
- Department of Commerce, Census Bureau, Geography Division2
- National Atlas of the United States and the United States Geological Survey2
- U.S. Census Bureau, Geography Division2
- U.S. Department of Commerce, Census Bureau, Esri2
- Esri1
- Sistemas de Información Geográfica, S.A. de C.V.1