Comparative shortwall and room-and-pillar mining costs /
by L.E. Green and E.R. Palowitch.

Description

Main Author

Green, Larry E.

Related Names

Palowitch, Eugene R. (Eugene Robert), joint author.
United States. Bureau of Mines.

Language(s)

English

Published

[Washington] : Dept. of the Interior, Bureau of Mines, 1977.

Subjects

Pillaring (Mining)
Mining engineering.

Note

Work upon which report is based done under cooperative agreement between Bureau of Mines and Beth-Elkhorn Corp.

Physical Description

[3], 20 p. : ill., maps ; 27 cm.

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