Author
Geological Survey (U.S.)
8
Brouwers, Elisabeth M.
2
Bramlette, M. N. 1896-1977
1
Bukry, David
1
Emry, Robert J.
1
Fatmi, S. Farah
1
Frederiksen, Norman O.
1
Hall, Wayne E., 1920-
1
Kier, Porter M.
1
Korth, William W.
1
McDougall, Kristin A.
1
McIntyre, David H.
1
Seeland, David A.
1
Smithsonian Institution. Press
1
Snavely, P. D. 1919-2003
1
Todd, Ruth, 1913-1984
1
Wells, Ray E.
1