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1by Helwick, Sterling JohnSubjects: “...Geology, Stratigraphic Quaternary. http://id.loc.gov/authorities/subjects/sh85054111...”
Published 1979
Link to ProQuest copy
Link to OAKTrust copy
Thesis Book -
2by May, James H.Subjects: “...Major geology....”
Published 1988
ProQuest, Abstract
Link to OAKTrust copy
Thesis Book