Shield-loading studies at an eastern Appalachian minesite
By: by Thomas M. Barczak and Stephen J. Kravits.
Contributors: Kravits, S. J.
Series: Report of investigations ;; 9098; Report of investigations (United States. Bureau of Mines)  ;; 9098.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 81
Subjects: Mine roof control.; Longwall mining -- Appalachian Region.
Notes: Includes bibliographical references.