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Search U.S. government technical reports digitized or harvested by TRAIL.
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2 results returnedAutomatic derailing switch at Roslyn no. 3 mine, Northwestern Improvement Company, Roslyn, Wash.
Accident experience and cost of accidents at Washington metal mines and quarries
Published Year
Subject
- Mines and mineral resources--Washington (State) (2) *
- Mine accidents (1)
- Mine safety--Washington (State) (1)
- Quarries and quarrying--Washington (State) (1)
Author
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