Open AccessConsolidation of bad top at the Virginia Pocahontas Division of Island Creek Coal Company
Author(s) -
H. Von Schonfeldt,
R. Pothini
Publication year - 1979
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/5784137
Subject(s) - roof , longwall mining , mining engineering , consolidation (business) , drill , geology , coal mining , borehole , coal , geotechnical engineering , engineering , civil engineering , waste management , mechanical engineering , accounting , business
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