Search U.S. government technical reports digitized or harvested by TRAIL.
Assessment of subsidence data from the northern Appalachian basin for subsidence prediction
Airblast and ground vibration generation and propagation from contour mine blasting
Feasibility of water diversion and overburden dewatering
Fracture zone dewatering to control ground water inflow in underground coal mines
Cutter roof failure :six case studies in the Northern Appalachian Coal Basin
Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources