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Author
- Geological Survey (U.S.)89
- Roehler, Henry W.12
- Snyder, George L. (George Leonard), 1927-11
- McGrew, Laura W. (Laura Wenger), 1921-9
- Pierce, William Gamewell, 1904-9
- Thaden, Robert E., 1924-8
- Richmond, Gerald Martin, 1914-7
- Darton, Nelson Horatio, 1865-19486
- Denson, N. M. (Norman MacLaren), 1914-5
- Hyden, Harold Julius, 1922-5
- Schroeder, Marvin L.5
- Bayley, Richard W. (Richard William), 1919-4
- Rohrer, Willis L.4
- Albee, Howard F. (Howard Franklin), 1915-20053
- Love, J. D. (John David), 1913-20023
- Marshall, C. H.3
- McAndrews, Harry3
- Soister, Paul E.3
- Hague, A. (Arnold), 1840-19172
- Prostka, Harold J.2
