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Author
- Geological Survey (U.S.)19
- Price, Don, 1929-7
- Nelson, W. John5
- Brabb, Earl E., 1929-3
- Angelich, Michael T. (Michael Terry), 1952-2
- Maryland Geological Survey2
- Richter, Donald H.2
- Seiders, Victor M.2
- Van Horn, Richard, 1920-2
- West Virginia Geological and Economic Survey2
- Witkind, Irving Jerome, 1917-2
- Arkansas Geological Survey1
- Armstrong, Betsy R.1
- Billings, Marland Pratt, 1902-19961
- Bobyarchick, A. R.1
- Brezinski, David K.1
- Bridge, Josiah, 1890-19531
- Cannon, William F.1
- Clark, Malcolm M.1
- Dane, C. H. (Carle Hamilton), 1900-19681
