Browse TRAIL Inventories

Anchorage testing of mine-roof bolts.

Anchorage testing of mine-roof bolts.

Survey of practices in controlling roof at intersections and junctions in underground coal mines

Evaluation of ultrasonic measurement systems for bolt load determinations

Evaluation of pulsed-phase-lock-loop technology applied to mine roof bolt load measurement

Field verification of load transfer mechanics of fully grouted roof bolts

Field evaluation of cable bolt supports, Homestake Mine, Lead, SD


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