TY  - BOOK
T1  - Slickenside occurrence in coal mine roof of the Valley Camp no. 3 mine near Wheeling, W. Va. /
DA  - 1979.
CY  - [Washington] :
AU  - Ellenberger, John L.
CN  - TN23 .U7 no.8365
CN  - TN23
PB  - Dept. of Interior, Bureau of Mines,
PP  - [Washington] :
PY  - 1979.
ID  - 32073
KW  - Rock mechanics.
KW  - Ground control (Mining)
KW  - Coal mines and mining
TI  - Slickenside occurrence in coal mine roof of the Valley Camp no. 3 mine near Wheeling, W. Va. /
ER  -