Remedial and strata replacement techniques on longwall faces :
a report on the state of the art /
by Robert S. Dalzell and Ernest A. Curth.

Description

Main Author

Dalzell, Robert S.

Related Names

Curth, Ernest A.

Language(s)

English

Published

Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1985.

Subjects

Coal mines and mining > Coal mines and mining / Safety measures.
Ground control (Mining)

Physical Description

29 p. : ill. ; 28 cm.

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