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<br />John C. Halepaska and Associates, Inc. <br />Water Resources Consultants <br />26 West Dry Creek Circle, Suite 640 <br />Littleton, Colorado 80120 <br />(303)794-1335 <br />FAX (303) 794-3245 <br />December 30, 1999 <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Attn: Mr. James Dillie <br />Environmental Protection Specialist <br />~ ~F~v~O <br />~ ~ ~~~~1 <br />JF~` ~ ~ Ge0~o9y <br />0\~~°~°,~~~z1ah4, <br />Subject: Installation Report for Additional Monitoring Wells in the Pink Gneiss Pit at Battle <br />Mountain Resources, Inc.'s San Luis Project, Costilla County, Colorado. <br />Project No. 5634 <br />Dear Mc Dillie: <br />In October 1999 Battle Mountain Resources Inc. (BMRI) installed two additional monitoring wells <br />in the backfilled Pink Gneiss Pit at the San Luis Project, Costilla County, Colorado. These <br />monitoring wells have been installed to monitor water levels and water quality ilt the backfilled <br />materials in the Pink Gneiss Pit (Figure 1) in anticipation of the in-situ bio-remed6ation proposed <br />by Shepherd-Miller, Inc. (SMI). BMRI requested John C. Halepaska and Associates (JCHA) to <br />assist with the installation of the wells. This letter summarizes the installation of the monitoring <br />wells and includes the initial set of water level measurements from the completed monitoring wells <br />in the Pink Gneiss Pit. <br />MONITORING WELL LOCATIONS <br />The two new monitoring wells, BF-4 and BF-30 in Figure 1, are within the perimeter of the <br />backfilled pit at locations staked by SMI and JCHA. These locations were selected to provide <br />triangulation with existing well BF-7 (Figure 1) for preparing future potentiometric surface maps. <br />