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Reports of Explorations and Surveys to Ascertain the Most Practicable and Economical Route for a Railroad from the Mississippi River to the Pacific Ocean

United States. War Department

出版	T. Ford, Printer, 1855
URL	http://books.google.com.hk/books?id=hH9RAAAAcAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN