Design and development of drill equipment /
by J.D. Hadden and Joseph Cervik.

Description

Main Author

Hadden, J. D.

Related Names

Cervik, Joseph, joint author.
United States. Bureau of Mines.
United States. Bureau of Mines.

Language(s)

English

Published

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines ; 1969

Subjects

Coal mines and mining.
Mine ventilation.
Boring machinery.

Note

Prepared for Bureau of Mines Methane Control Program.

Physical Description

11 p. : ill. ; 27 cm.

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