Search U.S. government technical reports digitized or harvested by TRAIL.
Open-pit mining and milling methods and costs at the Yellow Aster Mine, Randsburg, Calif.
Prevention of premature shots during springing of deep drill holes in quarries and open-pit workings
Drilling and blasting, open-cut iron-ore mines, Lake Superior District
Strippable reserves of bituminous coal and lignite in the United States
Satellite monitoring of open pit mining operations
Cost analyses of model mines for strip mining of coal in the United States
Design of surface mine haulage roads :a manual
Quartz dust sources during overburden drilling at surface coal mines