Safety aspects of longwall mining in the Illinois coal basin

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050 4 ‡aTN23 ‡b.U71 no.8776
074 ‡a637-A
086 0 ‡aI 28.27:8776
100 1 ‡aCurth, Ernest A.
245 1 0 ‡aSafety aspects of longwall mining in the Illinois coal basin / ‡cby Ernest A. Curth.
260 ‡a[Washington] : ‡bDept. of the Interior, Bureau of Mines, ‡c1978.
300 ‡a[2], ii, 37 p. : ‡bill. ; ‡c26 cm.
336 ‡atext ‡btxt ‡2rdacontent
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490 0 ‡aInformation circular - Bureau of Mines ; ‡v8776
504 ‡aIncludes bibliographical references (p. 37).
538 ‡aMode of access: Internet.
710 1 ‡aUnited States. ‡bBureau of Mines. ‡0http://id.loc.gov/authorities/names/n79063444 ‡1http://id.loc.gov/rwo/agents/n79063444
839 0 ‡aInformation circular (United States. Bureau of Mines) ; ‡v8776.
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