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Stripping-coal Resources of the United States

Paul Averitt

出版	U.S. Government Printing Office, 1968
URL	http://books.google.com.hk/books?id=fIfDYzOuZSEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

A review and analysis by states of data available on the stripping-coal potential of the United States.