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Susan Burgmaier <br />Page 2 <br />September 8, 2014 <br />quality. Moving the wells to the west to find o more centrol locotion will increase the overburden <br />depth 200 to 400 feet and will make access much more difficult. In summary, the wells will detect <br />any impacts to water quality, access is reasonable and the wells ore located in the lowest overburden <br />down dip of the proposed western workings. <br />The generalized Monitoring Well Completion Drawing will be a useful addition to the permit. <br />The location of the two proposed wells is shown on maps 9, 10A and 10B. Using the contour lines <br />to approximate, the site is at an elevation of 7800'. Viewing the points overlaid on an aerial <br />image, suggests that they are "180m west of the WAPA Transmission line access road. <br />The projected pontiometric surfaces on Maps 10A and 10B show a discontinuity of aligned with a <br />northwest /southeast trending fault line. Those maps each show significantly higher head values <br />( >200') to the east of the fault line compared to the west. If the maps accurately depict the <br />surface the inference must be that the hydrologic connection between the two sides of the fault is <br />very limited. Although wells drilled at those locations might be down -dip of the majority of the <br />workings, the fact that they are the other side of the fault makes it unlikely that they would <br />monitor water directly affected by the western workings. The wells could not be considered to be <br />down gradient of the workings. <br />Figures 1 and 2, below, show a pink polygon bounded by the projected 7800' contour, proposed <br />limit of the mine workings, and western edge of the fault line. Figure 2 is drawn at a larger scale; <br />the aerial image basemap shows what appear to be tracks or roads crossing the polygon, <br />suggesting that vehicle access may be possible. Has BRL considered sites at this general location? <br />