Search U.S. government technical reports digitized or harvested by TRAIL.
Roof bolting in the United States
Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.
Economies through roof bolting in an Indiana coal mine
Roof bolting in Alabama coal mines and iron-ore mines
Roof-bolt recovery in the middle west
Corrosion of roof bolt steels in Missouri lead and iron mine waters
Anchorage capacities in thick coal roofs
Corrosion of friction rock stabilizer steels in underground coal mine waters