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Bibliography and Index of North American Geology, Paleontology, Petrology, and Mineralogy, for 1892 and 1893, [1894-1899, 1901-l904]

Fred Boughton Weeks

出版	U.S. Government Printing Office, 1906
URL	http://books.google.com.hk/books?id=8H0XAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN