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Author
- Geological Survey (U.S.)213
- Englund, Kenneth John, 1923-2
- Miller, Ralph L. (Ralph LeRoy), 1909-19912
- Rice, Charles L.2
- Bobyarchick, A. R.1
- Darton, Nelson Horatio, 1865-19481
- Froelich, A. J. (Albert Joseph), 1929-1
- Harris, Leonard D.1
- Keith, Arthur1
- Meissner, Charles R.1
- Posner, Alex1
- Tobisch, Othmar T. (Othmar Tardin), 1932-1
- Van Driel, J. Nicholas1
