Search U.S. government technical reports digitized or harvested by TRAIL.
Compression tests of roof-salt slabs supported by potash salt pillars
Stereographic method of determining whether planes of weakness transect pillars
Comparative shortwall and room-and-pillar mining costs
Pillar failure analysis and in situ stress determinations at the Fletcher mine near Bunker, Mo.
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