Moebs, Noel N.
Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley / by Noel N. Moebs and Ernest A. Curth. - [Washington, D.C.] : U.S. Dept. of the Interior, 1976. - 30 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8112 . - Report of investigations (U.S. Department of the Interior. 8112 .
Based on work done under a cooperative agreement with the Valley Camp Coal Co.
92045033
Mining geology--Ohio Valley area.
Coal mines and mining--Ohio Valley area.
Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley / by Noel N. Moebs and Ernest A. Curth. - [Washington, D.C.] : U.S. Dept. of the Interior, 1976. - 30 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8112 . - Report of investigations (U.S. Department of the Interior. 8112 .
Based on work done under a cooperative agreement with the Valley Camp Coal Co.
92045033
Mining geology--Ohio Valley area.
Coal mines and mining--Ohio Valley area.