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Author
- Van Horn, Richard, 1920-3
- Geological Survey (U.S.)2
- Bryant, Bruce, 1930-1
- Dobrovolny, Ernest, 1912-1
- Easterbrook, Don J., 1935-1
- Frederick, Jan E.1
- Love, J. D. (John David), 1913-20021
- Maberry, John O., 1935-1
- Miller, Robert D. (Robert David), 1922-1
- Pomeroy, John S., 1929-1
- Schmidt, Paul W.1
- Schmoll, Henry R.1
- Smith, Mackey1
- Witkind, Irving Jerome, 1917-1
