000 00870n a2200229 4500
001 00945293
003 PWmBRO
005 20180324073753.0
008 910828s1975 waua f 010 eng
010 _a91055091
100 1 0 _aShirts, M. B.
_q(Monte B.)
245 1 0 _aDouble roast-leach-electrowinning for chalcopyrite concentrates /
_cby M.B. Shirts, P.A. Bloom and W.A. McKinney.
260 0 _aWashington, D.C. :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c1975.
300 _a33 p. :
_bill.
490 1 _aReport of investigations ;
_v7996
650 0 _aCopper sulphides
_xElectrometallurgy.
700 1 0 _aBloom, P. A.
_q(Philip A.)
710 2 0 _aUnited States.
_bBureau of Mines.
810 2 0 _aUnited States.
_bBureau of Mines.
_tReport of investigations ;
_v7996.
830 0 _aReport of investigations (United States. Bureau of Mines) ;
_v7996
942 _2ddc
999 _c63706
_d63706