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Author
- McGrew, Laura W. (Laura Wenger), 1921-4
- Kepferle, Roy Clark, 1926-3
- Moore, Samuel L.3
- Luft, Stanley Jeremie, 1927-2
- Peper, John D.2
- Peterson, Warren Lee, 1925-2
- Amos, Dewey Harold, 1925-1
- Blade, Lawrence V. (Lawrence Vernon), 1917-1
- Brown, William Randall, 1913-1
- Danilchik, Walter1
- Geological Survey (U.S.)1
- Hayes, Philip Thayer, 1923-1
- Hoge, Harry P.1
- Lee, K. Y.1
- Lewis, Richard Quintin, 1919-1
- Marsh, Sherman P., 1935-1
- Moore, Frank B. (Frank Baker), 1912-1
- O'Leary, Dennis W.1
- Outerbridge, William F.1
- Price, Don, 1929-1
