Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
9 results returnedSearch results
- A case history of a major rock burst
- The Effects of a retreating longwall on a three-entry gate road system
- Research study on pillar design for vertical crater retreat (VCR) mining
- 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
- Effects of various longwall chain pillar configurations on gate road stability
- Loading characteristics of pillars in multiple-seam mining operations
- Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining
