Multiple-shift Mechanical Mining in Some Bituminous-coal Mines Albert L. Toenges Published: 1941 Total Pages: 43 Get eBook
Multiple-shift Mechanical Mining in Some Bituminous Coal Mines Albert Louis Toenges Published: 1939 Total Pages: 88 Get eBook
Mechanical Mining in Some Bituminous-coal Mines Louis A. Turnbull Published: 1949 Total Pages: 108 Get eBook
Mechanical Mining in Some Bituminous-coal Mines J. J. Shields Published: 1954 Total Pages: 130 Get eBook
Technical Paper - Bureau of Mines United States. Bureau of Mines Published: Total Pages: 1212 Get eBook
Carbonizing Properties and Petrographic Composition of Lower Hignite-bed Coal from the Atlas Mine, Middlesboro, Bell County, Ky Joseph Dana Davis Published: 1942 Total Pages: 1032 Get eBook
Multiple-shift Mechanical Mining in Some Bituminous-coal Mines Published: 1938 Total Pages: 604 Get eBook
