Diesel powered equipment in underground mining : proceedings of the symposium on the use of diesel-powered equipment in underground mining, Pittsburgh, Pa., January 30-31, 1973 /
Diesel powered equipment in underground mining : proceedings of the symposium on the use of diesel-powered equipment in underground mining, Pittsburgh, Pa., January 30-31, 1973 /
compiled by Bruce F. Grant and Dorothy F. Friedman.
- Washington : U.S. Dept. of the Interior, Bureau of Mines, [1975].
- 366 p. : ill.
- Information circular (United States. Bureau of Mines) ; 8666 .
92015006
Coal mines and mining--Equipment and supplies.
Coal mining machinery.
622.06173
92015006
Coal mines and mining--Equipment and supplies.
Coal mining machinery.
622.06173