TY  - BOOK
AU  - Mark, Christopher.
AU  - Tuchman, Robert J.
CN  - HE 20.7130:
CY  - [Atlanta, Ga.?] :
DA  - 1997.
ID  - 233933
KW  - Ground control (Mining)
KW  - Pillaring (Mining)
KW  - Mine safety
KW  - Mining engineering
N1  - "Pittsburgh, PA and Spokane, WA Research Centers."
N1  - Shipping list no.: 98-0809-M.
N1  - "March 1997."
PB  - U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,
PP  - [Atlanta, Ga.?] :
PY  - 1997.
T1  - Proceedings, new technology for ground control in retreat mining
TI  - Proceedings, new technology for ground control in retreat mining
VL  - 9446
ER  -