Author
Geological Survey (U.S.)
4
Bryant, Bruce, 1930-
1
Cobban, William A., 1916-2015
1
Condon, Steven M.
1
Franczyk, Karen J.
1
Horne, John C.
1
Lindsey, David A.
1
Maberry, John O., 1935-
1
Molenaar, C. M.
1
Nichols, Douglas J.
1
Pitman, Janet K.
1
Reinhart, Peter J.
1
Research Planning Institute (Columbia, S.C.)
1
Ruby, Christopher H.
1