TY  - BOOK
AU  - Mason, W. A.
CN  - TN295
CN  - TN295
CY  - [Washington] :
DA  - [1975]
ID  - 4834
KW  - Electricity in mining.
KW  - Mine accidents.
PB  - Mining Enforcement and Safety Administration,
PP  - [Washington] :
PY  - [1975]
T1  - Electrical hazards in underground bituminous coal mines /
TI  - Electrical hazards in underground bituminous coal mines /
ER  -