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Search U.S. government technical reports digitized or harvested by TRAIL.
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4 results returnedDirectional drilling for coalbed degasification :program goals and progress in 1978
Results of direct-method determination of the gas content of U.S. coalbeds
Determining the source of longwall gob gas :Lower Kittanning Coalbed, Cambria County, PA
Published Year
Subject
- Mine ventilation (4) *
- Mine gases (2)
- Boring (1)
- Coal mine waste--Pennsylvania--Cambria County (1)
- Coal mines and mining (1)
- Coalbed methane--United States--Measurement (1)
- Firedamp--Pennsylvania--Cambria County (1)
- Longwall mining--Pennsylvania--Cambria County (1)
- Methane (1)
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