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BATTLE MOUNTAIN RESOURCES, INC. <br />4- <br />December 07, 2010 <br />Mr. Allen Sorensen <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 />Alwovember 2010 Monthly Report <br />Dear Mr. Sorensen: <br />4 <br />The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI), <br />San Luis Project for the month of November, 2010. <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 November 30th, 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 November i 30`h. November tailings impoundment piezometer measurements <br />identified these installations were either dry or contained less than 12 inches of water as illustrated in <br />Table 2. Tables 1 and 2 below identify the-depth to water measurements collected for each of the site <br />monitoring wells, piezometers and lysimeters as required by the terms and conditions of the TR-32 <br />QA/QC plan. <br />The leak detection system was measured on November 30th. A total of 620 gallons of water was <br />excavated from the leak detection-system yielding a monthly average of 18.78 gpad. The tailings pond <br />under-drain measured 22 gpm. <br />During November the West Pit water treatment plant operated efficiently discharging a total of 8,020,247 <br />gallons (24.61 acre-feet) of water to Rito Seco Creek and a total of 799,300 gallons (2.45 acre-feet) of <br />water was transferred from the water treatment plant to the tailings impoundment. Seepage along Rito <br />Seco Creek remained dry during the month. <br />P.O. Box 310 - San Luis, Colorado 81152-0310 - (719) 379-0798 - Fax (719) 379-0713