Search Results for the EPA National Library Catalog

Items Found: 10

Showing: Items 1 - 10



Select Item Title Year Published
Coal mine ground control 1978
Drilling a horizontal coalbed methane drainage system from a directional surface borehole 1982
Economic impact analysis of effluent limitatins and standards for the coal mining industry / 1982
Effects of time between exposure and support on mine roof stability, Bear Coal Mine, Somerset, Colo. / 1978
High-resolution seismic reflection techniques for mapping coal seams from the surface 1976
Investigation of longwall gateroad roof support characteristics at Powhatan No. 4 Mine : instrumentation plan / 1982
Long-term rock noise plotting techniques / 1979
Polymeric sealant used to stop shale degradation in coal mines 1977
Review of horizontal drilling technology for methane drainage from U.S. coalbeds / 1980
Safety aspects of longwall mining in the Illinois coal basin / 1978

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