Author
Williams, Frank E.
Antweiler, J. C., 1918-
2 results
Love, J. D. (John David), 1913-2002
2 results
Nelson, Willis H. (Willis Howard), 1920-2010
2 results
Peterson, Donald L.
2 results
Prostka, Harold J.
2 results
Elliott, James E.
1 results
Elliott, James E., 1934-
1 results
Geological Survey (U.S.)
1 results
United States. Bureau of Mines
1 results