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Search U.S. government technical reports digitized or harvested by TRAIL.
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5 results returnedThe 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
Published Year
Subject
- Pillaring (Mining) (5) *
- Coal mines and mining (2)
- Mine subsidences (2)
- Coal mines and mining--Pennsylvania (1)
- Coal mines and mining--West Virginia--Raleigh County (1)
- Gate roads (Mining) (1)
- Ground control (Mining) (1)
- Longwall mining (1)
- Mine roof bolting (1)
- Mine subsidences--Pennsylvania (1)
- Mine subsidences--West Virginia--Raleigh County (1)
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