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Longwall Shearers Gain in Power and Efficiency.
John A; Organiscak ED; Thimons A
Coal Magazine, 98:2 pages
Longwall production has tripled since 1980 with roughly
Paper Appears in Coal Magazine, Maclean Hunter, Vol. 98
Page last reviewed: November 12, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division