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Author
- McGrew, Laura W. (Laura Wenger), 1921-4
- Hansen, Wallace R., 1920-3
- Kepferle, Roy Clark, 1926-3
- Moore, Samuel L.3
- Danilchik, Walter2
- Geological Survey (U.S.)2
- Lemke, Richard W. (Richard Walter), 1913-20032
- Luft, Stanley Jeremie, 1927-2
- Peper, John D.2
- Peterson, Warren Lee, 1925-2
- Amos, Dewey Harold, 1925-1
- Anderson, R. Ernest (Roy Ernest)1
- Banks, Norman G.1
- Blade, Lawrence V. (Lawrence Vernon), 1917-1
- Brown, C. Ervin (Clarence Ervin), 1925-1
- Brown, William Randall, 1913-1
- Cannon, William F.1
- Hack, John T. (John Tilton), 1913-19911
- Hayes, Philip Thayer, 1923-1
- Hoge, Harry P.1
