Surface testing and evaluation of hopper-feeder-bolter

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050 0 0 ‡aTN295 ‡b.U4 no. 9171
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086 0 ‡aI 28.27:9171
100 1 ‡aEvans, Robert J.
245 1 0 ‡aSurface testing and evaluation of hopper-feeder-bolter / ‡cby Robert J. Evans, William D. Mayercheck, and Joseph L. Saliunas.
260 ‡aPittsburgh, Pa. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1987.
300 ‡aii, 39 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular / United States Department of the Interior, Bureau of Mines ; ‡v9171
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aCoal-mining machinery ‡xTesting.
700 1 ‡aSaliunas, Joseph L.
700 1 ‡aMayercheck, William D.
740 0 ‡aHopper-feeder-bolter.
899 ‡a39015078462879
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DAT 1 ‡a20221021060508.0 ‡b2024-02-23T18:55:19Z
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