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Author/Creator
- Geological Survey (U.S.)10
- Arkansas Geological Commission2
- Hayes, Timothy Scott2
- Hettinger, Robert D.2
- Missouri. Division of Geology and Land Survey2
- O'Sullivan, Robert Brett, 1923-2
- Dyman, T. S.1
- Franczyk, Karen J.1
- Honey, James G.1
- Kirschbaum, Mark A.1
- Krizanich, Gary W.1
- McLellan, Marguerite W.1
- Merewether, E. A. (Edward Allen), 1930-1
- Nichols, Douglas J.1
- Palmer, James R.1