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Author
- Geographical Survey Institute19
- East View Cartographic, Inc.10
- United States. Defense Mapping Agency10
- Australian Surveying and Land Information Group (AUSLIG)4
- National Geographic Department Prime Minister's Office4
- U. S. Geological Survey EROS Data Center4
- "Agustin Codazzi" Geographical Institute of Colombia3
- General Directorate of Military Survey3
- International Steering Committee for Global Mapping (ISCGM)3
- Survey Department3
- Digital Social Science Center (DSSC), Columbia University Libraries2
- Geological Survey (U.S.)2
- National Mapping and Resource Information Authority2