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Methane emission rate studies in a northern West Virginia mine

Review of Bureau of Mines coal program,1969

Coal mine dust standards of the United States and other countries

Methods and costs of coal refuse disposal and reclamation

Mechanical properties and cutting characteristics of coal

Injury experience in coal mining, 1970

Technique to improve fuel extraction for coal seams intersected by oil and gas wells

Coal mine combustion products:neoprenes, polyvinyl chloride compositions, urethane foam, and wood

Chemical analysis of slickensides from coal mine roof shale

Structural analysis of a coal mine opening in elastic, multilayered material

Coal mine combustion products: identification and analysis

Geologic investigations of underground coal mining problems

Use of surface joint and photolinear data for predicting subsurface coal cleat orientation

Determining cleat orientation of deeper coalbeds from overlying coals

Basic estimated capital investment and operating costs for underground bituminous coal mines developed for longwall mining :mines with annual production of 1.5 and 3 million tons by longwall mining from an 84-inch coalbed

Single-entry development for longwall mining :research approach and results at Sunnyside No. 2 mine, Carbon County, Utah

Estimating methane content of bituminous coalbeds from adsorption data

Directionally controlled drilling to horizontally intercept selected strata, upper Freeport coalbed, Green County, Pa.

Results of research to develop guidelines for mining near surface and underground bodies of water

Dry-process-sprayed coal mine sealants,a progress report

Dry-process-sprayed coal mine sealants,an updated progress report

Improved methods for monitoring production from vertical degasification wells

Drainage of methane from the overlying Pocahontas no. 4 coalbed from workings in the Pocahontas no. 3 coalbed


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