TY  - BOOK
CN  - TN291
CN  - TN291
CY  - Washington :
DA  - [1975?]
ID  - 7970
KW  - Strip mining
KW  - Mine safety.
KW  - Mine accidents.
PB  - For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
PP  - Washington :
PY  - [1975?]
T1  - Health and safety report :60 surface mine fatalities : a reference for supervisors /
TI  - Health and safety report :60 surface mine fatalities : a reference for supervisors /
ER  -