Geologic conditions affecting safe bituminous coal mining in Pennsylvania
Subtitle: selected papers
By: compiled by Samuel I. Root.
Contributors: Root, Samuel I.
Series: Information circular - Pennsylvania Geological Survey ; 84
Publisher: Pennsylvania Geological Survey
Published: 1979
Place of publication: Harrisburg
Language: eng
Number of pages: 202
Subjects: Coal mines and mining -- Pennsylvania -- Safety measures.; Bituminous coal -- Pennsylvania.; Mining geology -- Pennsylvania.
Notes: Includes bibliographies.
Table of contents: title: Kent, B. H. Geologic causes and possible preventions of roof fall in room-and-pillar coal mines.; title: Glass, G. B. Channel sandstones in coal.; title: Moebs, N. N. Roof rock structures and related roof support problems in the Pittsburgh coalbed of southwestern Pennsylvania.; title: McCulloch, C. M. and Deul, M. Geologic factors causing roof instability and methane emission problems.; title: Steidl, P. F. Geology and methane content of the Upper Freeport coalbed in Fayette County, Pa.; title: McCulloch, C. M., Jeran, P. W., and Sullivan, C. D. Geologic investigations of underground coal mining problems.; title: McCulloch, C. M. et al. Selected geologic factors affecting mining of the Pittsburgh coalbed.