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Room And Pillar Coal Mining

Articleosti7050532, title Improved design of room and pillar coal mining. Final technical report, October 1, 1978-March 31, 1982, author Bieniawski, Z T, abstractNote The objective of this research grant was to improve upon the design of roof spans and coal pillars in a coal mining technique known as room-and-pillar mining. . Essentially, the project consisted of three aspects.

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