Search U.S. government technical reports digitized or harvested by TRAIL.
Safety in blasting at Ajo, Ariz.
Safety practices at United Verde Mine, Phelps Dodge Corp., Jerome, Ariz.
Electrical blasting at Miami Copper Co., Miami, Ariz.
Central mine rescue station, Globe-Miami district, mine rescue and first-aid association, Globe Ariz.
Safety in pneumatic drilling and related blasting operations. Opencut mine, Morenci Branch, Phelps Dodge Corp., Morenci, Ariz.,