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BATTLE MOUNTAIN RESOURCES, INC. <br />July 08, 2013 <br />Mr. WON, 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 />'� i 1 2013 <br />CMLRB Permit No. M -88 -112 <br />/fune 2013 Monthly Report <br />OF <br />©IVIGION N <br />a D SAFETY <br />Dear Mr. Erickson: <br />The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI), <br />San Luis Project for the month of June, 2013. <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 June 28h, no water was present for sampling and <br />subsequent analysis. Lysimeter LD -2 was damaged during inspection and is the process of being repaired. <br />Depths to water were collected for the tailing impoundment main embankment piezometers and the West <br />Pit monitoring wells on June 28`'`. June tailing impoundment piezometer measurements identified these <br />installations were either dry or contained less than 12 inches of water as illustrated in Table 2. Tables 1 <br />and 2 below identify the depth to water measurements collected for each of the site monitoring wells, <br />piezometers and lysimeters as required by the terms and conditions of the TR -32 QA/QC plan. <br />If-r,;�yfA <br />The leak detection system was measured on June 0. A total of 700 gallons of water was excavated from <br />the leak detection system yielding a monthly avetTie of 28 gpad. The tailings pond under -drain measured <br />32gpm. <br />During the month of June, the West Pit water treatment plant operated efficiently discharging a total of <br />6,462,000 gallons (19.83 acre -feet) of water to Rito Seco Creek and a total of 1,019,000 gallons (3.13 <br />acre -feet) of water was transferred from the West Pit 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 <br />