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Characteristics and measurement of longwall rock mass movement.
Listak-JM; Hill-JL III
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9137, 1987 Jan; :1-15
IH; Information Circular
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9137
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division