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Author
- Price, Don, 1929-3
- Seiders, Victor M.2
- Armstrong, Betsy R.1
- Bobyarchick, A. R.1
- Drewes, Harald, 1927-1
- Duffield, Wendell A.1
- Foose, M. P.1
- Fuller, H. Kit1
- Geological Survey (U.S.)1
- Harwood, David S.1
- Luedke, Robert G.1
- Morsches, Sara A.1
- O'Neill, J. Michael1
- Prinz, William C., 1928-1
- Richter, Donald H.1
- Thorman, Charles H.1
- Van Horn, Richard, 1920-1
- Witkind, Irving Jerome, 1917-1
- Wynn, Jeffrey C.1
