TY  - BOOK
T1  - Study on underground auger mining hazards /
DA  - [1975]
CY  - [Washington] :
AU  - Oitto, Richard H.
AU  - McLellan, Russell R.,
CN  - TN295 .U58 no.1010
CN  - TN295
PB  - Mining Enforcement and Safety Administration,
PP  - [Washington] :
PY  - [1975]
ID  - 118434
KW  - Mining machinery.
KW  - Mine safety.
TI  - Study on underground auger mining hazards /
ER  -