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- Platts20
- Environmental Systems Research Institute (Redlands, Calif.)16
- Geological Survey (U.S.)10
- National Atlas of the United States9
- Hart Energy Publishing6
- North American Cartographic Information Society4
- Tele Atlas North America, Inc.4
- Canada Centre for Mapping2
- ESRI2
- National Marine Protected Areas Center (U.S.)2
- EEnvironmental Systems Research Institute (Redlands, Calif.)1
- Esri1
- International Heat Flow Commission1
- National Park Service1
- U.S. Geological Survey1
- United States. Bureau of Transportation Statistics1
- United States. Department of State. Humanitarian Information Unit1
- United States. Department of State. Office of the Geographer. Humanitarian Information Unit1