Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley /

Bibliographic Details
Main Authors:	Moebs, Noel N., Curth, Ernest A. (Author)
Corporate Authors:	United States. Bureau of Mines, Valley Camp Coal Company
Format:	Government Document Book
Language:	English
Published:	[Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1976]
Series:	Report of investigations (United States. Bureau of Mines) ; 8112.
Subjects:	Mining geology > Ohio Valley Region. Coal mines and mining > Ohio Valley Region.

Evans: US Documents (Annex 5th floor)