Material handling devices for underground mines /
by Ernest J. Conway and Richard L. Unger.

Description

Main Author

Conway, Ernest J.

Related Names

Unger Richard L.

Language(s)

English

Published

Pgh. [i.e. Pittsburgh] Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988.

Subjects

Coal mining machinery.

Physical Description

ii, 48 p. : ill. ; 28 cm.

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