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Author/Creator
- Geological Survey (U.S.)8
- Dyman, T. S.2
- Richmond, Gerald Martin, 1914-2
- Christiansen, Ann Coe1
- Denson, N. M. (Norman MacLaren), 1914-1
- Farrand, William R., 1931-20111
- Fullerton, David S.1
- Gundy, W. D.1
- Lewis, Sharon E., 1946-1
- Luedke, Robert G.1
- Luza, Kenneth V.1
- Oklahoma Geological Survey1
- Ontario Geological Survey1
- Pierson, Charles Thomas, 1918-1
- Sado, E. V.1
- Sprinkel, Douglas A.1
- Swinehart, James B.1
- Tysdal, Russell G.1
- University of Michigan. Department of Geological Sciences1
- University of Nebraska--Lincoln. Conservation and Survey Division1