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2 results returnedExperimental longwall mining in a Pennsylvania anthracite mine (in two parts).
New twin scrubber installation for continuous mining machines
Published Year
Subject
- Mining machinery--Evaluation (2) *
- Anthracite coal--Pennsylvania (1)
- Coal-mining machinery--Evaluation (1)
- Longwall mining--Pennsylvania (1)
- Mine ventilation (1)
- Mining engineering--Dust control (1)
Author
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