Effect of depth of cut and bit type on the generation of respirable dust /
Strebig, Kelly C.
Effect of depth of cut and bit type on the generation of respirable dust / by Kelly C. Strebig and H. William Zeller. - Washington, D.C. : U.S. Dept. of the Interior, 1975. - [3], 16 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8042 . - Report of investigations (U.S. Department of the Interior. 8042 .
92045020
Coal mines and mining--Dust control.
Bits (Drilling and boring).
Cutting machines.
Effect of depth of cut and bit type on the generation of respirable dust / by Kelly C. Strebig and H. William Zeller. - Washington, D.C. : U.S. Dept. of the Interior, 1975. - [3], 16 p. : ill. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 8042 . - Report of investigations (U.S. Department of the Interior. 8042 .
92045020
Coal mines and mining--Dust control.
Bits (Drilling and boring).
Cutting machines.