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The Geology of the Virginia Triassic

Joseph Kent Roberts

出版	Michie Company, printers, 1928
URL	http://books.google.com.hk/books?id=axBAAAAAIAAJ&hl=&source=gbs_api

註釋

The collection contains the signed, autograph manuscript of Roberts' book which was also published as a Ph.D. thesis at Johns Hopkins University.