Material handling devices for underground mines

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040 ‡aDLC ‡cDLC ‡dDLC
050 0 0 ‡aTN295 ‡b.U4 no. 9212 ‡aTN813
082 0 0 ‡a622 s ‡a622/.6 ‡219
086 0 ‡aI 28.237:9212
100 1 ‡aConway, Ernest J.
245 1 0 ‡aMaterial handling devices for underground mines / ‡cby Ernest J. Conway and Richard L. Unger.
260 ‡aPgh. [i.e. Pittsburgh] Pa. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1988.
300 ‡aii, 48 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular / United States Dept. of the Interior, Bureau of Mines ; ‡v9212
538 ‡aMode of access: Internet.
650 0 ‡aCoal mining machinery.
700 1 ‡aUnger Richard L.
CID ‡a100127748
DAT 0 ‡a19890510090622.1 ‡b20140127000000.0
DAT 1 ‡a20140212130657.0 ‡b2014-02-18T21:41:40Z
DAT 2 ‡a2014-02-18T21:00:04Z
CAT ‡aSDR-IA-LOC ‡dUNKNOWN ‡lloader.pl-003-012
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974 ‡8ia.materialhandling00conw ‡bLOC ‡cILOC ‡d20140218 ‡sia ‡uloc.ark:/13960/t0vq45m2d ‡y1988 ‡rpd ‡qbib ‡tUS fed doc