Author
Geological Survey (U.S.)
1,681
Colorado Geological Survey
191
U.S. Atomic Energy Commission
178
Cater, Fred W (Fred William), 1912-
84
Scott, Glenn R., 1918-2012
74
Braddock, William A., 1929-2003
68
Colorado State Metal Mining Fund
63
Hansen, Wallace R., 1920-
62
Rocky Mountain Association of Geologists
60
Cross, Whitman, 1854-1949
54
O'Sullivan, Robert Brett, 1923-
50
Tweto, Ogden, 1912-1983
45
Burbank, W. S (Wilbur Swett), 1898-1975
44
Hail, William J (William James), Jr., 1922-
44
Bryant, Bruce, 1930-
43
Hail, William J (William James), Jr., 1922-2018
40
Roehler, Henry W
39
Luedke, Robert G
38
Emmons, Samuel Franklin, 1841-1911
36
Taylor, Richard B (Richard Bartlett)
36
Hayden, F. V (Ferdinand Vandeveer), 1829-1887
35
Olson, J. C (Jerry Chipman), 1917-2013
35
Steven, Thomas A (Thomas August), 1917-2013
34
Wobus, Reinhard A
34
Hedlund, David Carl, 1924-
32
Johnson, Ronald C (Ronald Carl), 1950-
32
Hackman, Robert J
30
McKay, E. J
28
Shroba, R. R
28
Sheridan, Douglas M., 1921-
26
Carrara, Paul E
25
Lipman, Peter W
25
Bryant, Bruce
24
Geological and Geographical Survey of the Territories (U.S.)
24
Rowley, Peter D
24
Donnell, John R (John Roswell), 1919-2013
23
Epis, Rudy C., 1930-
23
Machette, Michael N
23
Soister, Paul E
22
Braddock, William A., 1929-
21
Izett, Glen Arthur, 1928-
21
Johnson, Ross B., 1919-
21
Kellogg, Karl S
21
Trimble, Donald E
21
Gaskill, David L
20
Geological Society of America
20
Colorado Mining Industrial Development Board
19
Gable, Dolores J., 1922-2012
18
Godwin, Larry H
18
Madole, Richard F., 1936-
18
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