Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley
By: by Noel N. Moebs and Ernest A. Curth ; Pittsburgh Mining and Safety Research Center.
Contributors: Curth, Ernest A.; United States. Bureau of Mines.; Valley Camp Coal Company.
Series: Report of investigations - Bureau of Mines ; 8112; Report of investigations (United States. Bureau of Mines) -- 8112.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1976
Place of publication: [Washington]
Language: eng
Number of pages: 30
Subjects: Mining geology -- Ohio Valley Region.; Coal mines and mining -- Ohio Valley Region.
Other titles: Shortwall operations.
Notes: Based on work done in cooperation with the Valley Camp Coal Co., Triadelphia, W. Va.

Bibliography: p. 27.