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<br />ORE RINSING STUDY <br /> <br />Sample Number: M-77-215-L <br />Associated water sample, if any. <br />Name of mine or leach pad, etc. Bulldog Mine - Lower Tailing Pond <br />Last Operator Homestake Mining Company <br />Location (UTM Coordinates) 329,300mE 4,189,200mN ±40m zone 13 <br />(Give closest coordinates you can, and indicate error of <br />measurement) <br />History of Operations <br />Re-mining, ~;;ece'ri'~.:;ri'sriga.o13;r3Ys;~r'~t, or new deposit? (Circle <br />one.} <br />Dates of operation. 1967 to 1985 <br />Date of most recent cyanidation and dates of rinsing. <br />1985 - no rinsing <br />Type of rinsing. <br />N/A <br />Nature of sampling <br />................ <br />Type (Circle one) : backhoe, 's..i:plle`~, other <br />If other, indicate what. <br />Depth of sample. <br />Nature of materials <br />Nominal size 90 to 100 percent Cassino #200 sieve (estimated). <br />Color grav <br />Wet pzy; (circle one) 20.4% 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 />last operated in 1985. <br />Host rock petrology and ore mineralogy, if known. <br />