TY  - BOOK
ED  - United States
TI  - Injury experience in coal mining, 1977
T2  - Its Information report - Mine Safety and Health Administration
AV  - TN 295 .U4 1977
PY  - 1979///
CY  - [Washington, DC]
PB  - U.S. Dept. of Labor, Mine Safety and Health Administration
KW  - Coal mine accidents
KW  - United States
KW  - Statistics
KW  - Local
ER  -