00819cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111042001200136050002100148051002400169100003300193245019700226260004800423300002200471410004400493650003500537999001700572gs 11000150 DLC20260227111311.0750501s1910 xx 000 0 eng  ags 11000150  a(OCoLC)1307435 aDLCcNhDdOCoLCdDLC apremarc00aTH26b.A35 no. 5 aTN520b.M25cCopy 21 aMackenzie, George C.,d1877-10aMagnetic concentration experiments with iron ores of the Bristol mines, Que.,biron ores of the Bathurst mines, New Brunswick, a copper nickel ore from Nairn, Ontario,cby George C. Mackenzie. aOttawa,bGovernment printing bureau,c1910. a28, [4]p.c25 cm.10aCanada.bMines Branch.tBulletinvno. 5 0aIron oreszQuébec (Province) c24998d24998