Search U.S. government technical reports digitized or harvested by TRAIL.
Experiments on strength of small pillars of coal in the Pittsburgh bed
Tests of salt as a substitute for rock dust in the prevention of coal-dust explosions in mines
Progress report :experiments on strength of small pillars of coal in the Pittsburgh bed
Effect of changes in moisture and temperature on mine roof.
Use of salts to allay dust on shuttle-car roadways in coal mines
Effect of relief vents on reduction of pressures developed by dust explosions
Pressure-relieving capacities of diaphragms and other devices for venting dust explosions
Recent studies on the explosibility of cornstarch
Explosive characteristics of titanium, zirconium, thorium, uranium and their hydrides
Frictional ignition of gas by mining machines
Rock dusting and sampling including wet rock dusting at the Bureau of Mines experimental coal mine
Experiments on water infusion in the experimental coal mine
Studies on the development and control of coal-dust explosions in mines
Special precautions for multiple short-delay blasting in coal mines