000 01027nam a2200301u 4500
001 00957526
003 PWmBRO
005 20240602102346.0
008 911025s1991 dcua b f00010 eng
010 _a 90026258
069 _a 91065080
090 0 _aVF
_b622/A546L
100 1 0 _aAnderson, Donna L.
245 1 2 _aA laser-based continous miner guidance system /
_cby Donna L. Anderson and John S. Gbruoski.
260 0 _aWashington, D.C. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1991.
300 _a14 p. :
_bill.
490 1 _aInformation circular ;
_v9288
650 0 _aMining machinery
_xAutomatic control
_xData processing.
650 0 _aNavigation
_xData processing.
650 0 _aOptical scanners.
650 0 _aLasers in mining.
700 1 0 _aGbruoski, John S.
710 2 0 _aUnited States.
_bBureau of Mines.
810 2 0 _aInformation circular (United States. Bureau of Mines)
830 0 _aInformation circular (United States. Bureau of Mines) ;
_v9288
942 _2ddc
994 0 1 _a082382
999 _c57900
_d57900