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Methane Control on Longwalls With Cross-measure Boreholes.
Gri Quart Rov Methane from Coal Seams Tech 1987 5(1):37-38
Issue of Publication
Gri Quart. Rov., Methane from Coal Seams Tech., V. 5, No. 1, Sept. 1987, PP. 37-38
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division