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Search U.S. government technical reports digitized or harvested by TRAIL.
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2 results returnedMultislice mining for thick western coal seams
Effects of Remote Drop and Pumpdown Placement on Cellular Concrete
Published Year
Subject
- Coal mines and mining--West (U.S.) (1)
- Concrete -- Testing. (1)
- Mine shafts -- United States. (1)
- Sealing (Technology) (1)
Author
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