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The Prairie Canyon Member, a New Unit of the Upper Cretaceous Mancos Shale, West-central Colorado and East-central Utah
Rex Don ColeRobert Glen YoungGrant C. Willis
出版Utah Geological Survey, 1997
ISBN15579160399781557916037
URLhttp://books.google.com.hk/books?id=zLa6QKufJmUC&hl=&source=gbs_api