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- 87600230 contributor B5564044.
- 87600230 contributor B5564045.
- 87600230 created "1987.".
- 87600230 date "1987".
- 87600230 date "1987.".
- 87600230 dateCopyrighted "1987.".
- 87600230 description "Bibliography: p. 27-28.".
- 87600230 extent "39 p. :".
- 87600230 isPartOf "Information circular (United States. Bureau of Mines) ; 9157.".
- 87600230 isPartOf "Information circular / United States Department of the Interior, Bureau of Mines ; 9157".
- 87600230 issued "1987".
- 87600230 issued "1987.".
- 87600230 language "eng".
- 87600230 publisher "Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines,".
- 87600230 subject "622/.42 19".
- 87600230 subject "Coal mines and mining Environmental aspects.".
- 87600230 subject "Environmental monitoring.".
- 87600230 subject "TN295 .U4 no. 9157 TN803".
- 87600230 title "Suggested minimum performance specifications for underground coal mine environmental monitoring systems / by J.H. Welsh, A.F. Cohen, and J.E. Chilton.".
- 87600230 type "text".