Open AccessA waterjet mining machine for use in room and pillar mining operations
Author(s) -
D.A. Summers
Publication year - 1990
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/7153631
Subject(s) - coal mining , coal , mining engineering , roof , wedge (geometry) , pillar , engineering , loader , surface mining , machine tool , mechanical engineering , computer science , structural engineering , waste management , physics , optics
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