Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines

An edition of Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines (1992)

Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines

By Gary P. Sames

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Publish Date

1992

Publisher

U.S. Dept. of the Interior, Bureau of Mines

Language

eng

Pages

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