Factors affecting respirable dust generation from longwall roof supports

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100 1 ‡aOrganiscak, John A.
245 1 0 ‡aFactors affecting respirable dust generation from longwall roof supports / ‡cby John A. Organiscak, Jeffrey M. Listak, and Robert A. Jankowski.
260 ‡aWashington, D.C. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1985.
300 ‡a19 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular / United States Department of the Interior, Bureau of Mines ; ‡v9019
504 ‡aBibliography: p. 16.
538 ‡aMode of access: Internet.
650 0 ‡aMine roof control.
650 0 ‡aCoal mines and mining ‡xDust control.
700 1 ‡aJankowski, Robert A.
700 1 ‡aListak, Jeffrey M.
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