Dust sources and controls on the six U.S. longwall faces having the most difficulty complying with dust standards

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050 0 0 ‡aTN295 ‡b.U4 no. 8957 ‡aTN312
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086 0 ‡aI 28.27:8957
100 1 ‡aJankowski, Robert A.
245 1 0 ‡aDust sources and controls on the six U.S. longwall faces having the most difficulty complying with dust standards / ‡cby Robert A. Jankowski and John A. Organiscak.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1983.
300 ‡a19 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular ; ‡v8957
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aCoal mines and mining ‡xDust control ‡xStandards ‡zUnited States.
650 0 ‡aCoal mines and mining ‡xDust control ‡zUnited States.
700 1 ‡aOrganiscak, John A.
CID ‡a100129919
DAT 0 ‡a19930924145206.8 ‡b20140127000000.0
DAT 1 ‡a20140212130657.0 ‡b2014-02-19T21:56:39Z
DAT 2 ‡a2014-02-19T21:00:04Z
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