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History of Nomenclature and Stratigraphy of Rocks Adjacent to the Cretaceous-Tertiary Boundary, Western San Juan Basin, New Mexico

出版	U.S. Government Printing Office, 1966
URL	http://books.google.com.hk/books?id=z1lY9tsrrTAC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN