Laserfiche WebLink
�. C�.oLORA00 LEGACY LAND SCNWARRWALDER MINE <br /> TABLE E-1.OBSERVED GROUNDWATER GRADIENTS <br /> Daily Average Mine Pool MW-15 MW-18 ` <br /> Quarterly I Elevation <br /> Sampling ftamsl Groundwater Croft Elevation <br /> ter Mine Pooht Toward <br /> i Croftatticter Croft Elevation <br /> ter Mine Pool i Mine Pool ft r <br /> P HHead in <br /> Pool <br /> eD10 Datd feet bebw Elevation Elevation Compared to Toward Mine Elevation Elevation Com tired to Gradient Toward <br /> 1 2019 N/A _ __ No access winter conditions Dry <br /> 2 2019 No data transducer malfunction D <br /> Q32019 9 25 2019 191.62 6,410.38 _ 159.70 6,477.16 6.80 0.020 <br /> 4 2019 10 23 2019 187.84 6,414.16 153.60 6,423.26 9.12 0.026 <br /> 1 2020 3 4 2020 192.84 6,409.16 No access,winter conditions 162.77 6,414.11 1 4.95 0.014 <br /> Q2 2020 6/4/2020 158.71 6,443.29 N/A 124.70 6,452.161 8.89 0.026 <br /> 6 17 2020 178.05 6,423.95 373.40 6,525.93 101.98 0.098 N/A <br /> 3 2020 7 29 2020 198.21 6,403.79 336.10 6,563.23 159.44 0.153 162.30 6,452.18 48.39 0.139 <br /> 42020 1] 12 2020 326.76 6,275.24 386.90 6,512.43 237.19 0.228 D <br /> 1 2021 1 29 2021 256.61 6,345.10 Dry 215.00 6,414.58 69.46 0.200 <br /> NDIes: <br /> The following table summarizes relevant information for the Steve Adit(where the mine pool transducer is located)and monitoring wells: <br /> Northing Easting Ground Surfare Well Casing Total Depth of Distance to Steve <br /> Locndon ID Elevation Elevodo. Well Adit <br /> ff ey f/ ) (l" fR-1) (Bbgs) (hDe9) <br /> Steve Ada 1,732,700.61 3061,55853 N/A N/A N/A N/A <br /> MW-15 ],731,742.4] 3,061,962.60 6,89753 6,899.33 1,00713 1,039.91 <br /> MW-18 1,732,989.50 3,061,365.66 6,575.34 6,576.88 239.9 347.36 <br /> Coordinate values are Colorado State Plane Central Zone(NAD83)Elevations are NADV88.Survey information provided by Lambert Land Consulting,LLC and were measured on 7/23/2020. <br /> The total depth of the well was obtained from the well construction report. <br /> The distance between the Steve Adit and each MW was calculated using the following formula: d= (xt-xi)'+(y�-y,)2 <br /> The gradient toward the mine pool was calculated using the following formula:i=a <br /> where dh is the difference in head between the well and the mine pool and dl is the distance between them. <br /> 1-2021 17 AMENDMENT6 <br />