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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
4 results returnedReducing back injuries in low-coal mines :redesign of materials-handling tasks
Calculation of vertical stress exerted by topographic features
Strength characteristics and air leakage determinations for alternative mine seal designs
New techniques for mining thin-seam mountaintop coal reserves
Published Year
Subject
- Coal mines and mining (4) *
- Back--Wounds and injuries (1)
- Cement composites--Testing (1)
- Coal-mining machinery--Models (1)
- Concrete stoppings (Mining)--Airtightness--Testing (1)
- Foamed materials--Testing (1)
- Geomorphology (1)
- Ground control (Mining) (1)
- Lifting and carrying (1)
- Mine haulage (1)
- Rock pressure--Measurement--Data processing (1)
- Strength of materials (1)
- Wood--Testing (1)
Author
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