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- National Atlas of the United States46
- Geological Survey (U.S.)21
- National Geophysical Data Center10
- Geological Survey (U.S.) Minerals Information Team9
- Platts9
- EROS Data Center2
- Godt, Jonathan W.2
- U.S. Geological Survey2
- United States. Forest Service2
- Wade, Tim2
- Blackburn, Laura1
- Canada Centre for Mapping1
- Eastern Energy Resource Surveys Team (Geological Survey)1
- Geological Survey (U.S.). Water Resources Division. Wisconsin District1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- Lannoo, Michael J.1
- Nanjappa, Priya1
- Rawson, Peg1
- Ritters, Kurt1
- Rukstales, Kenneth S. (compiler)1