Longwall automation : a ground control perspective

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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 ‡aWashington, D.C. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c[1990]
300 ‡aiii, 16 p. : ‡bill. ; ‡c28 cm.
336 ‡atext ‡btxt ‡2rdacontent
337 ‡aunmediated ‡bn ‡2rdamedia
338 ‡avolume ‡bnc ‡2rdacarrier
490 0 ‡aInformation circular / Bureau of Mines ; ‡v9244
504 ‡aIncludes bibliographical references (p. 15-16).
538 ‡aMode of access: Internet.
650 0 ‡aGround control (Mining) ‡0http://id.loc.gov/authorities/subjects/sh85057450
650 0 ‡aLongwall mining ‡xData processing.
700 1 ‡aPappas, Deno M.
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