Search U.S. government technical reports digitized or harvested by TRAIL.
Calamity hollow mine fire project (in five parts).
Influence of overlying strata on methane emissions in a northern West Virginia coal mine
Case evaluation of a surface seismic reflection technique for delineating coalbed discontinuities
Effects of structural faults on ground control in selected coal mines in southwestern Virginia
Effects of horizontal stress related to stream valleys on the stability of coal mine openings