Search U.S. government technical reports digitized or harvested by TRAIL.
A circuit for firing seismic blasting caps
Blasting research at the Bureau of Mines oil-shale mine
Mobile laboratory for recording blasting and other transient phenomena
Special precautions for multiple short-delay blasting in coal mines
Coyote-Hole primary blasting, Dresser Trap Rock Co., Dresser, Wis.