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Author
- Campbell, Marius R. (Marius Robinson), 1858-19403
- Geological Survey (U.S.)3
- Moore, Frank B. (Frank Baker), 1912-3
- Wallace, Roberts Manning, 1915-3
- Keith, Arthur2
- Black, Douglas F. B.1
- Cressman, Earle Rupert, 1923-1
- Englund, Kenneth John, 1923-1
- Harris, Leonard D.1
- Kanizay, Stephen P.1
- Miller, Ralph L. (Ralph LeRoy), 1909-19911
- Miller, Robert D. (Robert David), 1922-1
- Pomeroy, John S., 1929-1
