Effects of abandoned multiple seam workings on a longwall in Virginia
By: by Gregory J. Chekan, Rudy J. Matetic, and David L. Dwyer.
Contributors: Matetic, Rudy J.; Dwyer, David L.
Series: Report of investigations (United States. Bureau of Mines) -- 9247.
Publisher: Dept. of the Interior
Published: 1989
Place of publication: Washington, DC
Language: eng
Number of pages: 15
Subjects: Mine subsidences -- Virginia -- Dickenson County; Longwall mining -- Virginia -- Dickenson County
Notes:  89600037  t_oclc

Bibliogr.

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