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Reconnaissance of the Horse Hair Group, Bull Canyon District, Montrose County, Colorado

James E. Morgan (Jr.)

出版	United States Atomic Energy Commission, Division of Raw Materials, Exploration Division, GJOO, 1952
URL	http://books.google.com.hk/books?id=y0g0XLISbYQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN