TY  - BOOK
AU  - Kissell, Fred N.
CN  - TN23
CN  - TN23
CY  - Pittsburgh, Pa. :
DA  - [1981]
ID  - 40385
KW  - Coal mines and mining
N1  - "Bureau of Mines Respirable Dust Control Program."
N1  - "February 1981."
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Pittsburgh, Pa. :
PY  - [1981]
T1  - Reducing dust at longwall shearers by confining the dust cloud to the face /
TI  - Reducing dust at longwall shearers by confining the dust cloud to the face /
VL  - TPR 111
ER  -