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Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
7 results returnedHydraulic stimulation of a surface borehole for gob degasification
Three coal mine gob degasification studies using surface boreholes and a bleeder system
Control of methane by ventilation of shafts during raise drilling
Building seals by pneumatic stowing in mine closure operations
Sealing openings in abandoned mines by pneumatic stowing
Long-term effectiveness of deep mine sealing at Moraine State Park, Butler County, Pa.
Quartz dust sources during overburden drilling at surface coal mines
Published Year
Subject
- Coal mines and mining--Safety measures (3)
- Mine ventilation (3)
- Compressed air (2)
- Methane (2)
- Mine filling (2)
- Mine gases (2)
- Stone, Crushed (2)
- Boring (1)
- Gravel (1)
- Mine closures (1)
- Mine filling--Environmental aspects--Pennsylvania--Moraine State Park (1)
- Quartz dust (1)
- Raise drilling--Safety measures (1)
- Sand (1)
- Strip mining (1)
Author
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