Site-specific and Regional Geologic Considerations for Coalbed Gas Drainage

Effects of Stimulation Treatments on Coalbeds and Surrounding Strata: Evidence from Underground Observations

Drilling a Horizontal Coalbed Methane Drainage System from a Directional Surface Borehole

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

Use of Surface Joint and Photolinear Data for Predicting Subsurface Coal Cleat Orientation

Methane Gas Content of the Mary Lee Group of Coalbeds, Jefferson, Tuscaloosa, and Walker Counties, Ala

Determining the Source of Longwall Gob Gas: Lower Kittanning Coalbed, Cambria County, PA

Determining the Source of Longwall Gob Gas: Lower Kittanning Coalbed, Cambria County, PA

Results of Direct-method Determination of the Gas Content of U.S. Coalbeds

Directionally Controlled Drilling to Horizontally Intercept Selected Strata, Upper Freeport Coalbed, Green County, Pa

Methods of Determining the Orientations of Bedrock Fracture Systems in Southwestern Pennsylvania and Northern West Virginia

Geology of the Mary Lee Group of Coalbeds, Black Warrior Coal Basin, Alabama

Use of Surface Joint and Photolinear Data for Predicting Subsurface Coal Cleat Orientation: Issues 8101-8120

Direct Method Determination of the Gas Content of Coal: Procedures and Results, Issues 8501-8520

Report of Investigations: no.7381 to date

Report of Investigations: no.7381 to date

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

Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine: Instrumentation Plan, Issues 8621-8640