Multiple-shift mechanical mining in some bituminous-coal mines.
Progress report 3 /
by Albert L. Toenges and Earl R. Maize.

Description

Main Author

Toenges, Albert L..

Related Names

Maize, Earl R.
United States. Bureau of Mines.

Language(s)

English

Published

Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1941.

Subjects

Coal mines and mining > Coal mines and mining / Equipment and supplies.
Bituminous coal.

Physical Description

43 p. : ill. ; 27 cm.

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