TY  - BOOK
AU  - Grant,Bruce F.
AU  - Friedman,Dorothy F.
ED  - Bureau of Mines Symposium on Diesel-Powered Equipment in Underground Mining (1973 : Pittsburgh, Pa.)
ED  - United States Bureua of Mines.
TI  - 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 
U1  - 622.06173 
PY  - 1975///]
CY  - Washington
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Coal mines and mining
KW  - Equipment and supplies
KW  - Coal mining machinery
ER  -