Author
Geological Survey (U.S.)
313
Geological Survey (U.S.),
202
Cobb, Edward H. 1916-1983
45
ScienceDirect (Online service)
21
United States. Bureau of Mines
16
U.S. Atomic Energy Commission,
15
Brazil. Departamento Nacional da Produção Mineral
13
Pilcher, Steven H.
13
Ross, Clyde P. 1891-1965
12
Bliss, James D.
11
Folger, Helen W.
11
Yager, Douglas B.
11
Nokleberg, Warren J.
9
Ross, Clyde P. 1891-1965,
9
U.S. Atomic Energy Commission
9
Colorado State Metal Mining Fund
8
Hudson, Travis, 1946-
8
Nash, J. Thomas 1941-
8
SpringerLink (Online service)
8
Wolf, K. H.
8
Colorado Geological Survey
7
Hawley, C. C. 1929-
7
Singer, D. A.
7
Society of Economic Geologists (U.S.)
7
U.S. Atomic Energy Commission. Division of Raw Materials
7
Anderson, Alfred L. 1900-1964
6
Idaho Bureau of Mines and Geology
6
Lovering, T. S. 1896-1991
6
Nevada Bureau of Mines
6
Ridge, John Drew, 1909-
6
Wells, John David, 1926-
6
California. Division of Mines and Geology
5
Cox, Dennis P.
5
Grybeck, D. J.
5
Harrison, Jack Edward, 1924-
5
Laznicka, Peter
5
Leach, D. L.
5
Long, Keith R.
5
McClernan, Henry G.
5
Park, Charles F., Jr., 1903-1990
5
Shawe, Daniel R., 1925-
5
Umpleby, Joseph B. 1883-1967,
5
Ashley, Roger P. 1940-
4
Berg, Henry C.
4
Butler, B. S. 1877-1960
4
Chaffee, Maurice A.
4
Colorado. Mining Industrial Development Board
4
Davidson, David F. 1923-
4
DeWitt, Ed
4
Dings, McClelland G. 1902-
4
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