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Author
- Geological Survey (U.S.)10
- Irwin, J. H., cartographer8
- Cooley, M. E. (Maurice E.), cartographer7
- McQueen, Kathleen7
- Minard, James P.7
- Detterman, J. S.5
- Hackman, Robert J.4
- Jackson, R. L., cartographer2
- Krieger, Medora Louise Hooper, 1905-19942
- Marshall, C. H.2
- Morris, Robert H.2
- Peterson, Fred, 1933-2
- Sargent, Kenneth A.2
- Irwin, James H. (James Haskell), 1923-1
- Moore, Richard B. (Richard Beresford), 1945-1
- Olson, A. B.1
- Pomeroy, John S., 1929-1
