Search U.S. government technical reports digitized or harvested by TRAIL.
Slickenside occurrence in coal mine roof of the Valley Camp no. 3 mine near Wheeling, W. Va.
Rock preconditioning to prevent rock bursts :report on a field demonstration
Stress distribution and pillar design in oil shale retorts
Electromagnetic radiation from rock failure
Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks
Overcoring equipment and techniques used in rock stress determination (an update of IC 8618)
Large-scale laboratory drag cutter experiments in hard rock
Research study on pillar design for vertical crater retreat (VCR) mining
Mechanical behavior of coal measure rocks :elastic-inelastic behavior
Analysis of rock chips produced during water-jet-assisted cutting
Large-scale testing of the ripper fragmentation system
In situ horizontal stress determinations in the Yampa coalfield, northwestern Colorado
Bureau of Mines geotechnical centrifuge research--a review
Stress determination in rock using the Kaiser effect
Evaluation of a punch shear test device
Coal mine entry intersection behavior study
Determining horizontal displacement and strains due to subsidence
Delineation of fractures in igneous rock masses using common offset radar reflection
Estimation of shear strength using fractals as a measure of rock fracture roughness