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Geology and Fuel Resources of the Fruitland Formation and Kirtland Shale of the San Juan Basin, New Mexico and Colorado

出版	U.S. Government Printing Office, 1971
URL	http://books.google.com.hk/books?id=AKlWvgjrkbUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋A subsurface and surface study of the coal-bearing Fruitland Formation, the Kirtland Shale, and associated rocks, with emphasis on the relation between regional stratigraphy and the distribution, thickness, and quality of coal.