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• Fuels Corporation at their on-going operations show <br />very sterp hydraulic gradients, averaging 500 ft,/mi in <br />rocks overlying tha Wadge coal, and very low permea- <br />bility. Inflows Co their active pits is minimal, most <br />of which is used for dint control, Asswuing underf:ows <br />in the alluvium underlying Foidel Creek near Energy <br />Fuels Pit 47 to be less than 50 gal/min, annual re- <br />charge to the ground-water system in, this watershed <br />would be about one percent of precipitation, On that <br />basis, total ground-water recharge on all three lease <br />areas would be about 50. acre-feet per year. <br />Confined conditions occur in sandstone beds that under- <br />lie the S•ladge coal bed so that wells drilled at lower <br />elevations near the base of the dipslope surfaces cc=- <br />monl}• flow, Yields seldom exceed 10 gal/min and di=ir.- <br />ish within months to less than half the initial flo;r. <br />Alluvium and terrace deposits are thin within the prc- <br />posed lease tracts and are not regarded as potentia'_ <br />aquifers. <br />Water quality ranges widely from one cell to another, <br />but in general shallow wells yield water that is <br />moderately hard with Calcium and bicarbonate being the <br />dominant ions. Dissolved solids concentrations <br />generally average 500 to 1,000 mg/1 (milligrams per <br />• <br />40 <br />