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Stratigraphy and Nomenclature of Some Upper Cretaceous and Lower Tertiary Rocks in South-central Wyoming
其他書名
Regional Stratigraphic Studies and Ammonite Zonation are Used in Interpreting Complex Intertonguing and Subtle Facies Changes in Rocks of Late Cretaceous and Early Tertiary Age
出版U.S. Government Printing Office, 1970
URLhttp://books.google.com.hk/books?id=zznQMwEACAAJ&hl=&source=gbs_api