Creator
- National Atlas of the United States33
- Geological Survey (U.S.)24
- Arndt, Raymond E.10
- Bawiec, Walter J.10
- Beikman, Helen M.10
- King, Philip B.10
- National Geophysical Data Center10
- Schruben, Paul G.10
- Geological Survey (U.S.) Minerals Information Team9
- Godt, Jonathan W.3
- U.S. Census Bureau. Geography Division3
- United States. National Oceanic and Atmospheric Administration3
- Gap Analysis Program (U.S.)2
- United States. Department of Commerce2
- United States. National Ocean Service2
- 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