Search Results - "Mine roof control."

Roof fall entrapment exercise : instructor's copy ; Roof fall entrapment exercise : problem booklet.

Subjects: “…Mine roof control Problems, exercises, etc.…”
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Sensors warn of hazards during mine hoisting

Subjects: “…Mine roof control United States Equipment and supplies.…”
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Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines / by Gary P. Sames and Noel N. Moebs. by Sames, Gary P.

Subjects: “…Mine roof control.…”
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Reissue of P05-19 use of mobile roof support (MRS) units for retreat mining.

Subjects: “…Mine roof control United States Safety measures.…”
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Roof bolting machine operators skills training for a walk-thru roof bolter trainer's guide / by William Wiehagen ... [and others]

Subjects: “…Mine roof control United States Equipment and supplies.…”
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Proceedings of the International Workshop on Rock Mass Classification in Underground Mining edited by Christopher Mark, Rimas Pakalnis, and Robert J. Tuchman.

Subjects: “…Mine roof control United States Equipment and supplies …”
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Roof and rib control.

Subjects: “…Mine roof control Handbooks, manuals, etc.…”