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Search U.S. government technical reports digitized or harvested by TRAIL.
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2 results returnedMethane drainage study using an underground pipeline, Marianna mine 58
Drilling a horizontal coalbed methane drainage system from a directional surface borehole
Published Year
Subject
- Coal mines and mining--Safety measures (2) *
- Coalbed methane drainage (2) *
- Boring (1)
- Mine ventilation (1)
Author
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