TY  - BOOK
ED  - United States.
TI  - A medical survey of the bituminous-coal industry: Report of the Coal mines administration
AV  - HD7269.M63 U6 1947
U1  - 331.822 
PY  - 1947///
CY  - Washington
PB  - [U.S. Govt. Print. Off.]
KW  - Coal miners
KW  - health and hygiene
KW  - United States
KW  - Hospitals
N1  - "The coal miner and his family. Supplement to the report": 1 l., 67 p; Bibliography: p. 229-231
ER  -