Author
Geological Survey (U.S.)
9
Colorado Geological Survey
2
Geological Survey (U.S.),
2
Skipp, Betty, 1928-
2
Barlock, Vincent E.
1
Brabb, Earl E., 1929-
1
Bultman, Mark W.
1
Clark, Joseph C.
1
Fox, J. E. 1943-
1
Gettings, M. E.
1
Himmelreich, John W.
1
Hood, J. W. 1925-
1
Hudson, Travis, 1946-
1
McGrath, L. A.
1
McLaughlin, Robert J.
1
Miller, Martin G.
1
Noe, David C.
1
Swezey, C.
1
Taylor, O. James
1
Wait, T. C.
1
Weems, R. E.
1
Weldon, R. J., 1955-
1
White, Jonathan L. 1958-
1
Wilson, Jason C.
1
Zimmerman, Everett A. 1927-
1