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Battle Mountain Resources,Inc. RECEIVED <br /> San Luis Project <br /> P.O.Box 310 JUN 14 ?019 <br /> San Luis, Colorado 81152-0310 <br /> (719)379-0798 jxV*M OF RECLAMATION <br /> MININGAND SAFETY <br /> June 7,2019 <br /> Mr. Lucas J. West <br /> a 0 0 <br /> Colorado Department of Reclamation, Mining, & Safety <br /> 1313 Sherman Street,Room 215 <br /> Denver,CO 80203 <br /> Re: Battle Mountain Resources,Inc. <br /> San Luis Project-M-88-112 <br /> May 2019 Monthly Report <br /> Dear Mr. West: <br /> The following summarizes monitoring and site activities at the Battle Mountain Resources Inc. (BMRI) <br /> "San Luis Project" (M-88-112) for the month of May 2019. Surface and groundwater monitoring and <br /> analysis were completed for all the required sites during the month as specified in the TR-32 Quality <br /> Assurance and Quality Control(QA/QC)Plan. <br /> Tailing Facility/Leak Detection System <br /> In May 2019,the six lysimeters which are a part of the Lined Tailing Facility(LTF) leak detection system <br /> were inspected and verified for proper vacuum and operation. As shown in Table 1, there was no pore <br /> space water found to be present in any of the six lysimeter collection pans, therefore, no sampling or <br /> laboratory analysis was required. <br /> Table 1—Monthly Lysimeter Monitoring <br /> L simeter Identification Observation Date Depth to Water feet <br /> LS1R2 05/30/2019 DRY <br /> LS2R2 05/30/2019 DRY <br /> LS3 05/30/2019 DRY <br /> LD1R2 05/30/2019 DRY <br /> LD2R2 05/30/2019 DRY <br /> LD3 05/30/2019 DRY <br /> The ten piezometers located on the tailing impoundment main embankment were inspected and measured <br /> for depth to water. The depths to water found for each piezometer are shown in Table 2. All piezometers <br /> were either dry or contained less than twelve inches of water. <br />