Author
Geological Survey (U.S.)
12
Pearson, Robert Carl, 1926-
3
United States. Bureau of Mines
3
Cater, Fred W. 1912-
2
Hotz, Preston Enslow, 1913-
2
Kiilsgaard, Thor H.
2
Ratté, James Clifford, 1925-
2
Steven, Thomas A. 1917-2013
2
Williams, Frank E.
2
Banister, D'Arcy P.
1
Becraft, George E. 1922-
1
Bromfield, Calvin Stanton, 1923-
1
Creasey, S. C. 1917-
1
Davis, W. E. 1905-
1
Dodge, F. C. W. 1934-
1
Eaton, Gordon P.
1
Ericksen, George Edward
1
Fillo, Paul V.
1
Fischer, R. P. 1910-1991
1
Gair, Jacob Eugene, 1922-
1
Gaskill, David L.
1
Granger, H. C. 1925-
1
Harrison, Jack Edward, 1924-
1
Irwin, W. P. 1919-2012
1
Jackson, Dallas B.
1
Klemic, Harry, 1920-
1
Moore, James Gregory, 1930-
1
Pattee, Eldon C.
1
Peterson, Donald L.
1
Pinckney, Darrell M.
1
Schmitt, Leonard J.
1
Segerstrom, Kenneth, 1909-1992
1
Sheridan, M. J.
1
Simons, Frank S. 1917-
1
Stotelmeyer, Ronald B.
1
Tooker, Edwin W., 1923-2013
1
Tweto, Ogden, 1912-1983
1
Wedow, Helmuth, 1917-
1
Weis, Paul L. 1922-
1
Weisner, Robert C.
1