Search U.S. government technical reports digitized or harvested by TRAIL.
Mine subsidence--extent and cost of control in a selected area.
Building stoppings in mines with large openings
Ground support systems in block-cave mining :a survey
Hydraulic sandfill in deep metal mines,
Pumped-slurry backfilling of inaccessible mine workings for subsidence control
Advancing coal mining technology research, development, and demonstration in fiscal year 1977
Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.
Comparative shortwall and room-and-pillar mining costs
Mechanized longwall mining :a review emphasizing foreign technology
Multivariate analysis techniques with application in mining
Three potential longwall mining methods for thick coal seams in the western United States