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September 06, 2012 <br />1 Mr. Wally Erickson <br />State of Colorado <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Battle Mountain Resources Inc. <br />San Luis Project ,/ <br />CMLRB Permit No. M -88 -112 <br />.rAtiigust 2012 Monthly Report <br />Dear Mr. Erickson: <br />BATTLE MOUNTAIN RESOURCES, INC. <br />RECEIVED <br />4.1) CEP 0 7 2012 <br />Division of Reclamation, <br />Mining & Safety <br />The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI), <br />San Luis Project for the month of August 2012. <br />Surface and ground water monitoring and analysis were completed for all required sites during the month <br />per the terms and conditions of the TR -32 Quality Assurance and Quality Control ( QA/QC) plan. <br />Vacuum on the tailing lysimeters was verified on August 30"', no water was present for sampling and <br />subsequent analysis. <br />Depths to water were collected for the tailing impoundment main embankment piezometers and the West <br />Pit monitoring wells on August 30` August tailing impoundment piezometer measurements identified <br />these installations were either dry or contained less than 12 inches of water as illustrated in Table 2. <br />Tables 1 and 2 below identify the depth to water measurements collected for each of the site monitoring <br />wells, piezometers and lysimeters as required by the terms and conditions of the TR -32 QA/QC plan. <br />The leak detection system was measured on August 30 A total of 770 gallons of water was excavated <br />from the leak detection system yielding a monthly average of 22 gpad. The tailings pond under -drain <br />measured 37gpm. <br />During the month of August the West Pit water treatment plant operated efficiently discharging a total of <br />6,101,777 gallons (18.73 acre -feet) of water to Rito Seco Creek and a total of 2,847,600 gallons (8.74 <br />acre -feet) of water was transferred from the West Pit backfill to the tailings impoundment. Seepage along <br />Rito Seco Creek remained dry during the month. <br />P.O. Box 310 • San Luis, Colorado 81152 -0310 • (719) 379 -0798 • Fax (719) 379 -0713 <br />