- National Atlas of the United States35
- National Geophysical Data Center10
- Geological Survey (U.S.)9
- Geological Survey (U.S.) Minerals Information Team9
- Godt, Jonathan W.3
- Arndt, Raymond E.2
- Bawiec, Walter J.2
- Beikman, Helen M.2
- Bush, Charles A.2
- King, Philip B.2
- Reed, John Calvin, Jr. 1930-2
- Schruben, Paul G.2
- Blackburn, Laura1
- Eastern Energy Resource Surveys Team (Geological Survey)1
- Lannoo, Michael J.1
- Nanjappa, Priya1
- Patuxent Wildlife Research Center1
- Rukstales, Kenneth S. (compiler)1
- Tobin, B. D.1
- United States. Agricultural Research Service1
