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Author
- Geological Survey (U.S.)8,236
- Hackman, Robert J.18
- Berryhill, Henry L., Jr. (Henry Lee), 1921-201316
- Amos, Dewey Harold, 1925-15
- Johnson, William D., Jr.15
- Luft, Stanley Jeremie, 1927-15
- Moore, Samuel L.15
- Behrendt, John C., 1932-14
- Dibblee, T. W. (Thomas Wilson), 1911-14
- Marshall, C. H.14
- Rice, Charles L.14
- McGrew, Laura W. (Laura Wenger), 1921-13
- Outerbridge, William F.13
- Peterson, Warren Lee, 1925-13
- Detterman, J. S.12
- Geological Survey (U.S.), cartographer12
- Kehn, Thomas M.12
- Moore, Frank B. (Frank Baker), 1912-12
- Snyder, George L. (George Leonard), 1927-12
- Swadley, W. C.12
