Longwall automation : a ground control perspective

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040 ‡aDLC ‡cDLC ‡dDLC
050 0 0 ‡aTN295 ‡b.U4 no. 9244 ‡aTN275
082 0 0 ‡a622 s ‡a622/.334 ‡220
086 0 ‡aI 28.27:9244
100 1 ‡aListak, Jeffrey M.
245 1 0 ‡aLongwall automation : ‡ba ground control perspective / ‡cby Jeffrey M. Listak and Deno M. Pappas.
260 ‡aPhg [Pittsburgh], PA : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c[1990]
300 ‡aiii, 16 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular ; ‡v9244
504 ‡aIncludes bibliographical references (p. 15-16).
538 ‡aMode of access: Internet.
650 0 ‡aGround control (Mining)
650 0 ‡aLongwall mining ‡xData processing.
700 1 ‡aPappas, Deno M.
CID ‡a100129696
DAT 0 ‡a19900725093805.2 ‡b20140127000000.0
DAT 1 ‡a20140212130657.0 ‡b2014-02-19T22:10:45Z
DAT 2 ‡a2014-02-19T21:00:04Z
CAT ‡aSDR-IA-LOC ‡dUNKNOWN ‡lloader.pl-003-012
FMT ‡aBK
HOL ‡0sdr-ia-loc2464153 ‡aloc ‡bSDR ‡cILOC ‡ploc.ark:/13960/t3qv4rn0w ‡sLOC ‡12464153 ‡8ia.longwallautomati00list
974 ‡8ia.longwallautomati00list ‡bLOC ‡cILOC ‡d20140219 ‡sia ‡uloc.ark:/13960/t3qv4rn0w ‡y1990 ‡rpd ‡qbib ‡tUS fed doc