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

Author: Moebs, Noel N.
Additional Authors: Curth, Ernest A.,
Year: 1976
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8112
Series: Report of investigations - Bureau of Mines ;
Report Number: 8112
Subjects: Coal mines and mining--Ohio River Valley Region
Mining geology--Ohio River Valley Region
Link: https://hdl.handle.net/2027/mdp.39015078475004

< New search