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10 results returnedA computer program for the stereographic analysis of coal fractures and cleats
A continuous-recording methanometer for exhaust fan monitoring
Methane emissions from an advancing coal mine section in the Pittsburgh coalbed
Methane emissions from four working places in the Beckley mine, Raleigh County, W. Va.
A fail-safe control system for a mine methane pipeline
Determination of geologic features associated with linears
A guide to geologic features in coal mines in the northern Appalachian coal basin
Prediction of surface deformations over longwall panels in the Northern Appalachian coalfield
Subsidence due to undermining of sloping terrain :a case study
Published Year
Subject
- Methane--Measurement (2)
- Mine subsidences--Appalachian Region (2)
- Mine ventilation (2)
- Coal mines and mining--Appalachian Region--Safety measures (1)
- Coal mines and mining--Data processing (1)
- Coal mines and mining--Safety measures (1)
- Coal mines and mining--West Virginia--Raleigh County (1)
- Coal--Geology--Appalachian Region (1)
- Coalbed methane drainage (1)
- Ground control (Mining)--Appalachian Region (1)
- Longwall mining--Appalachian Region (1)
- Longwall mining--Environmental aspects--Appalachian Region (1)
- Longwall mining--Pennsylvania (1)
- Methane (1)
- Mine gases (1)
- Mine subsidences--Pennsylvania (1)
- Mining geology (1)
- Relief valves (1)
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