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Stratigraphy, Structure, and Graptolites of an Ordovician and Silurian Sequence in the Terra Cotta Mountains, Alaska Range, Alaska

出版	U.S. Government Printing Office, 1996
URL	http://books.google.com.hk/books?id=MqGFhe4mPQ4C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN