Search U.S. government technical reports digitized or harvested by TRAIL.
Comparative laboratory evaluation of resin-grouted roof bolt elements
Improved underground rerailing apparatus
Protective structures for low-coal shuttle car operator
Integrated compartment-machine design for low-coal shuttle cars
Bending fatigue test 1 on a 2-inch 6x25 fiber core wire rope
Bending fatigue tests 2 and 3 on a 2-inch 6x25 fiber core wire rope