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Search U.S. government technical reports digitized or harvested by TRAIL.
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3 results returnedOpen-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
Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining
Published Year
Subject
- Strip mining (3) *
- Earthmoving machinery (1)
- Gold mines and mining--California--Kern County (1)
- Mining machinery (1)
- Quarries and quarrying (1)
Author
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