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Mineral Resources of the South Fork and Sand Hollow Wilderness Study Areas, Crook County, Oregon

Jay A. AchRichard J. BlakelyHarley D. KingJerry E. OlsonJames T. Bateson

出版	U.S. Government Printing Office, 1988
URL	http://books.google.com.hk/books?id=M7d_MNZRTxYC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN