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- 91037759 contributor B6392497.
- 91037759 created "[1992]".
- 91037759 date "1992".
- 91037759 date "[1992]".
- 91037759 dateCopyrighted "[1992]".
- 91037759 description "Includes bibliographical references (p. 24-25).".
- 91037759 extent "26 p. :".
- 91037759 isPartOf "Report of investigations (United States. Bureau of Mines) ; 9413.".
- 91037759 isPartOf "Report of investigations ; 9413".
- 91037759 issued "1992".
- 91037759 issued "[1992]".
- 91037759 language "eng".
- 91037759 publisher "Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines,".
- 91037759 spatial "Pennsylvania.".
- 91037759 spatial "West Virginia.".
- 91037759 subject "622 s 622/.334/09754 20".
- 91037759 subject "Coal mines and mining Pennsylvania.".
- 91037759 subject "Coal mines and mining West Virginia.".
- 91037759 subject "Mine roof control.".
- 91037759 subject "Rock bursts.".
- 91037759 subject "TN23 .U43 no. 9413 TN288".
- 91037759 subject "Valleys.".
- 91037759 title "Effects of horizontal stress related to stream valleys on the stability of coal mine openings / by G.M. Molinda ... [et al.].".
- 91037759 type "text".