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Actions for Shield mechanics and critical load studies for unsymmetric contact configurations
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Shield mechanics and critical load studies for unsymmetric contact configurations / by Thomas M. Barczak
Author
Barczak, Thomas M.
Published
Washington, D.C. : Bureau of Mines, U.S. Dept. of the Interior, 1990.
Physical Description
iv, 81 pages : illustrations ; 28 cm.
Full Text available online
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Series
Report of investigations (United States. Bureau of Mines) ; 9290
Report Numbers
I 28.23:9290.
Subject(s)
Mine roof control
—
Testing
Longwall mining
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microform. Washington, D.C., U.S. G.P.O., 1991. 1 microfiche : negative.
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| catkey: 1544012