Author
Geological Survey (U.S.)
2
Cameron, Eugene N. 1910-1999
1
Day, Warren C.
1
Lane, Diane E.
1
Midcontinent Strategic and Critical Minerals Project (U.S.). Workshop
1
Midcontinent Strategic and Critical Minerals Project (U.S.). Workshop (1988 : Denver, Colo.)
1
Pratt, Walden P.
1
Sims, P. K. 1918-2011
1
Weis, Paul L. 1922-
1