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Search U.S. government technical reports digitized or harvested by TRAIL.
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6 results returnedFace ventilation measurement with sulfur hexafluoride (SF₆)
Assessing the methane hazard of gassy coals in storage silos
Methane emissions from U.S. coal mines in 1980
Results of direct-method determination of the gas content of U.S. coalbeds
Comparison of aerial and ground surveying of subsidence over an active longwall
Foundation response to subsidence-induced ground movements :a case study
Published Year
Subject
- Coal mine accidents--Case studies (1)
- Coal--Storage (1)
- Coalbed methane (1)
- Coalbed methane--United States--Measurement (1)
- Coalbed methane--United States--Statistics (1)
- Longwall mining--Pennsylvania--Waynesburg Region--Safety measures (1)
- Mine subsidences--Case studies (1)
- Mine subsidences--Pennsylvania--Waynesburg Region--Measurement (1)
- Mine ventilation (1)
- Mine ventilation--Measurement (1)
- Sulfur hexafluoride (1)
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