Strata interactions in multiple-seam mining--two case studies in Pennsylvania
By: by Gregory J. Chekan, Rudy J. Matetic, and James A. Galek.
Contributors: Matetic, Rudy J.; Galek, James A.
Series: Report of investigations / United States Department of theInterior, Bureau of Mines ;; 9056; Report of investigations (United States. Bureau of Mines) ;; 9056.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1986
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 17
Subjects: Mine subsidences -- Pennsylvania.; Ground control (Mining); Pillaring (Mining); Coal mines and mining -- Pennsylvania.
Notes: Bibliography: p. 17.