Automated temporary roof support (ATRS) systems for roof bolting machines : proceedings

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111 2 ‡aBureau of Mines Technology Transfer Seminar ‡d(1983 : ‡cCharleston, W. Va.)
245 1 0 ‡aAutomated temporary roof support (ATRS) systems for roof bolting machines : ‡bproceedings / ‡cBureau of Mines Technology Transfer Symposium, Charleston, WV, June 23, 1983 ; compiled by William W. Aljoe.
260 ‡aPittsburgh, Pa. : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1985.
300 ‡a77 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aInformation circular ; ‡v8997
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aMining machinery ‡xAutomation.
650 0 ‡aMine roof bolting ‡xAutomation.
700 1 ‡aAljoe, William W.
CID ‡a100129741
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