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Gob Pile Stabilization, Reclamation, and Utilization

Jerry L. CoalgateDavid J. AkersRussell W. FrumUnited States. Office of Coal Research

出版	Office of Coal Research, 1973
URL	http://books.google.com.hk/books?id=ZsZQAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN