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- International Steering Committee for Global Mapping (ISCGM)13
- United States. Bureau of Transportation Statistics8
- United States. Army. Corps of Engineers.3
- Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS)2
- Vanderbilt Engineering Center for Transportation Operations and Research Vanderbilt University2
- Australian Surveying and Land Information Group (AUSLIG)1
- Bronx (New York, N.Y.). Office of the President.1
- Digital Social Science Center, Columbia University Libraries1
- Geographical Survey Institute1
- Institut Geographique du Burkina1
- National Institute of Cartography and Remote Sensing1
- United States. Bureau of the Census.1
- United States. Department of Transportation. Research and Innovative Technology Administration1
- United States. Federal Highway Administration.1