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Geologic Factors in Predicting Coal Mine Roof-Rock Stability in the Upper Kittanning Coalbed, Somerset County, Pennsylvania

Influence of overlying strata on methane emissions in a northern West Virginia coal mine

Clay veins :their occurrence, characteristics, and support

Geologic factors influencing the gas content of coalbeds in southwestern Pennsylvania

Published Year

• 1980-1989 (4) *

Subject

• Clay veins (1)
• Coal mines and mining -- Pennsylvania -- Somerset County -- Safety measures. (1)
• Coal mines and mining--Safety measures (1)
• Coal mines and mining--West Virginia--Safety measures (1)
• Coalbed methane drainage--West Virginia (1)
• Coalbed methane--Pennsylvania (1)
• Geology, Stratigraphic. (1)
• Goal--Geology--Pennsylvania (1)
• Ground control (Mining) (1)
• Mine roof control. (1)
• Rock mechanics -- Pennsylvania -- Somerset County. (1)
• Sandstone--West Virginia (1)

Author

• Ulery, J. P. (4) *
• Chase, Frank E. (1)
• Hyman, D. M. (1)
• Iannacchione, A. T. (1)
• Molinda, G. M. (1)

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