TY  - BOOK
AU  - Bielicki, Richard J.
CN  - TN23
CN  - TN23
CY  - Washington :
DA  - 1976.
ID  - 6187
KW  - Coal mines and mining
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Washington :
PY  - 1976.
T1  - Coal mine equipment forecast to 1985 /
TI  - Coal mine equipment forecast to 1985 /
ER  -