000 00322nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622 M621
100 _aANDERSON,J M
245 0 _aOPEN PIT MINE PLANNING USING SIMULATED GOLD GRADES
260 _aAnn Arbor
_bUMI
_c2000
300 _a178p.,23X18Cms.
942 _cBK
_2DDC
999 _c30086
_d30086