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Tr RECEIVED <br />-" JUN 1 2 2002 ~/ <br />BATTLE MOUNTAIN RESOURCES, INC. / Division of Minerals and Geology <br />June 8, 2002 <br />Mr. Jim Dillie <br />Division of Minerals and Geology / <br />1313 Sherman Street, Room 215 ~ P•N ~~ t ~ P/~CO~ ~T <br />Denver, Colorado 80203 <br />Subject: Battle Mountain Resources, Inc. <br />CMLRB Permit No. M-88-112 t <br />/ May 2002 Monthly Report <br />Dear Mr. Dillie: <br />The following summarizes monitoring and site activities at the Battle Mountain Resources <br />Inc., San Luis Project for the month of May 2002. <br />Surface and ground water monitoring of all required monitoring sites were completed <br />during the month. All surface water stations were inspected and recorded daily, these daily <br />recordings identified readings at RS-1, RS-2, RS-3 and RS-5 of zero (0) inches and RS-4 <br />and RS-6 were dry. <br />Vacuum on the tailing lysimeters was verified during the month, no water was present for <br />sampling and subsequent analysis. <br />Depths to water were collected for the tailing impoundment main embankment and the <br />west pit piezometers/monitoring wells on May 31s`. The May 315L tailing impoundment <br />piezometer measurements identified these installations were either dry or contained less <br />than 12 inches of water. Table 1 below identifies the depth to water measurements <br />collected for each of the site monitoring wells and piezemeters. <br />The tailing impoundment collection pond underdrain flow and leak detection systems were <br />measured on May 31~`. The collection pond underdrain flow was approximately 47 gpm <br />and a total of 2,510 gallons of water was evacuated from the leak detection system yielding <br />a monthly average of 80.96 gpad. <br />The West Pit water treatment plant operated effectively discharging a total of 8,296,600 <br />gallons of water (25.46-acre feet) to Rito Seco Creek during the month, a total of 729,300 <br />gallons (2.23 acre-feet) of water was transferred from the water treatment plant to the <br />tailing impoundment during the month, and seepage along Rito Seco Creek remained dry <br />throughout the month. <br />P.O. Box 310 San Luis, Colorado 8] ]52-0310 (719) 379-0798 Aax (719) 379-0713 <br />