Roof and rib fall accident and cost statistics : an in-depth study

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040 ‡aDLC ‡cDLC ‡dDLC
050 0 0 ‡aTN295 ‡b.U4 no. 9151 ‡aTN317
082 0 0 ‡a622 s ‡a363.1/19622 ‡219
086 0 ‡aI 28.27:9151
100 1 ‡aPappas, Deno M.
245 1 0 ‡aRoof and rib fall accident and cost statistics : ‡ban in-depth study / ‡cby Deno M. Pappas.
260 ‡aPittsburgh, Pa. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1987.
300 ‡aii, 20 p. ; ‡c28 cm.
490 0 ‡aInformation circular ; ‡v9151
504 ‡aBibliography: p. 19-20.
538 ‡aMode of access: Internet.
650 0 ‡aMine accidents.
650 0 ‡aMine roof control.
CID ‡a100129641
DAT 0 ‡a19880115000000.0 ‡b20140127000000.0
DAT 1 ‡a20140212130657.0 ‡b2014-02-19T21:17:43Z
DAT 2 ‡a2014-02-19T21:00:04Z
CAT ‡aSDR-IA-LOC ‡dUNKNOWN ‡lloader.pl-003-012
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974 ‡8ia.roofribfallaccid00papp ‡bLOC ‡cILOC ‡d20140219 ‡sia ‡uloc.ark:/13960/t78s5zd4x ‡y1987 ‡rpd ‡qbib ‡tUS fed doc