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- 80607786 contributor B3921121.
- 80607786 created "1981.".
- 80607786 date "1981".
- 80607786 date "1981.".
- 80607786 dateCopyrighted "1981.".
- 80607786 description "Includes bibliographical references.".
- 80607786 extent "24 p. :".
- 80607786 isPartOf "Information circular (United States. Bureau of Mines) ; 8841.".
- 80607786 isPartOf "Information circular - Bureau of Mines ; 8841".
- 80607786 issued "1981".
- 80607786 issued "1981.".
- 80607786 language "eng".
- 80607786 publisher "[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines,".
- 80607786 spatial "United States".
- 80607786 subject "622 s 363.7/41 19".
- 80607786 subject "Coal mines and mining United States Safety measures.".
- 80607786 subject "Coal-mining machinery Noise.".
- 80607786 subject "Noise Physiological effect.".
- 80607786 subject "TN295 .U4 no. 8841 TN813".
- 80607786 title "The Noise exposure of operators of mobile machines in U.S. surface coal mines, 1979 / by J.H. Daniel ... [et al.].".
- 80607786 type "text".