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Pillar load transfer associated with multiple-seam mining / by R.J. Matetic, G.J. Chekan, and J.A. Galek.

By: Contributor(s): Material type: TextTextSeries: Report of investigations (United States. Bureau of Mines) ; 9066Publication details: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987.Description: 23 p. : illSubject(s): DDC classification:
  • 622.334
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