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<br />ORE RINSING STUDY <br /> <br />Sample Number: M-77-215-U <br />Associated water sample, if any. <br />Name of mine or leach pad, etc. Bulldo~Mine - Upper Tailin~Pond <br />Last Operator Homestake Mining Company <br />Location (UTM Coordinates) 329.300mE 4.191,300mN ±40m zone 13 <br />(Give closest coordinates you can, and indicate error of <br />measurement) <br />History of Operations <br />Re-mining, z`ec?ent=uri'tin" `:of:o$rl'strct, or new deposit? (Circle <br />one.} <br />Dates of operation. 1967 to 1985 <br />Date of most recent cyanidation and dates of rinsing. <br />IOLS - nn rincinr~ <br />Type of rinsing. <br />Nature of sampling <br />............. . <br />Type (Circle one) : backhoe, sk'oVel,, other <br />If other, indicate what. <br />Depth of sample. 0 to 2 feet <br />Nature of materials <br />Nominal size 90 to 100 percent passing #200 sieve festimatedZ_ <br />Color gray <br />r <br />Wet pxy (circle one) 21.1 moisture by weight <br />Other information related to rinsing. If none known, then indicate the <br />last probable date of leaching. Tailings from flotation further <br />nrnnccccA in n nnrhnn-in-ni.7n lonnh nirnni* lUn cncnifin <br />Host rock petrology and ore mineralogy, if known. <br />