Author
Geological Survey (U.S.),
14
Geological Survey of Wyoming
14
University of Wyoming. Department of Geology
Love, J. D. 1913-2002,
8
Keefer, William R., 1924-
6
Interior Missouri Basin Field Committee
4
United States. National Park Service
3
American Museum of Natural History
1
Carnegie Museum
1
Dawson, Mary R.,
1
Good, John M. 1924-
1
Houston, Robert S. 1923-
1
Leopold, Estella B.,
1
Love, D. W.,
1
McKenna, Malcolm C.,
1
U.S. Atomic Energy Commission
1
United States. Department of Energy
1
Van Lieu, J. A.,
1