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Search U.S. government technical reports digitized or harvested by TRAIL.
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4 results returnedMining methods used in the Grundy coal field of Buchanan County, Va.
Some aspects of strip mining of bituminous coal in Central and South Central states
Shaft- and slope-bottom lay-outs at coal mines
Multiple-shift mechanical mining in some bituminous coal mines.
Published Year
Subject
- Bituminous coal industry--United States (1)
- Bituminous coal--United States (1)
- Coal mines and mining (1)
- Coal mines and mining--United States (1)
- Coal mines and mining--Virginia--Buchanan County (1)
- Coal-mining machinery (1)
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