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Reconnaissance study of the Wasatch, Evanston, and Echo canyon formations in part of northern Utah : description, distribution, and heavy-mineral content of some upper cretaceous and lower tertiary orogenic conglomerates in northern Utah

出版	U.S. Government Printing Office, 1971
URL	http://books.google.com.hk/books?id=dLj2tgEACAAJ&hl=&source=gbs_api