Online Resource
Cameron, Cornelia C., 1911-1994,
;
Cathcart, James Bachelder, 1917-
;
Geraci, Philip J.,
;
[et al.]
Mory, Peter C.,
;
Geological Survey 〈U.S.〉,
[Washington, D.C.] :United States Department of the Interior, Geological Survey,
|
Washington :United States Government Printing Office.