Cleat in Bituminous Coalbeds

Determination of Geologic Features Associated with Linears: Issue 8660

A Guide to Geologic Features in Coal Mines in the Northern Appalachian Coal Basin

Subsidence Over the End of a Longwall Panel: Issue 9338

Subsidence Over the End of a Longwall Panel: Issue 9338

A Computer Program for the Stereographic Analysis of Coal Fractures and Cleats

Directional Drilling for Coalbed Degasification: Program Goals and Progress in 1978

Methane Analyzer System to Record Continuously the Methane Content of Coal Mine Ventilation Air

Methane Emission from U.S. Coal Mines in 1973: A Survey: a Supplement to IC 8558

Methane Emissions from Four Working Places in the Beckley Mine, Raleigh County, W. Va

Methane Emissions from an Advancing Coal Mine Section in the Pittsburgh Coalbed

Prediction of Surface Deformations Over Longwall Panels in the Northern Appalachian Coalfield

Subsidence Due to Undermining of Sloping Terrain: A Case Study

Geologic Structure Analysis Using Radar Imagery of the Coal Mining Area of Buchanan County, Va

Superheated Drop Vaporization: Halon 1301, Issues 8641-8648

Directional Drilling for Coalbed Degasification: Program Goals and Progress in 1978, Issues 8361-8380