Browse TRAIL Inventories

Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mine :instrumentation plan

Design of bulkheads for controlling water in underground mines

The Effects of a retreating longwall on a three-entry gate road system

Strata interactions in multiple-seam mining--two case studies in Pennsylvania

Pillar load transfer associated with multiple-seam mining

Comparative study of pillar load transfer associated with multiple-seam mining

Loading characteristics of pillars in multiple-seam mining operations

Effects of abandoned multiple seam workings on a longwall in Virginia

Interactions between multiple seam longwall and room-and-pillar operations :a case study in Boone County, WV

Influence of subjacent gob on longwall development mining in the Upper Kittanning Coalbed of south-central Pennsylvania


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