Field evaluation of three longwall pillar systems in a Kentucky coal mine / by Timothy M. Barton and Christopher Mark.

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Bibliographic Details
Main Author: Barton, T. M. (Timothy M.)
Corporate Author: United States. Bureau of Mines
Other Authors: Mark, Christopher
Format: Government Document Book
Language:English
Published: Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1989.
Series:Report of investigations (United States. Bureau of Mines) ; 9283.
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