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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
10 results returnedRecovery of gold from black sand by classifier concentration
Comparison of methods of gold recovery from black sand
Methane in California gold mines
Small-scale placer-mining methods
Small-scale placer-mining methods
Mining and milling practices at small gold mines
Power-shovel and dragline placer mining
Guide to prospecting for lode gold
An engineering and economic study of a gold mining operation
Published Year
Subject
- Gold mines and mining (10) *
- Placer deposits (3)
- Prospecting (2)
- Firedamp (1)
- Gas bursts (1)
- Gold mines and mining--California (1)
- Gold--Metallurgy (1)
- Methane (1)
- Mine gases (1)
- Mine gases--Flammability (1)
- Mine gases--Measurement (1)
- Mine ventilation (1)
- Placer mining (1)
Author
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