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metals above the Mine site, and picks up uranium and molybdenum as it flows <br />past the Mine and receives ground water flow from the alluvium. R:00229; <br />00877 -881; see R:00933 (Cotter at the hearing stated it does not dispute that <br />concentrations increase as the creek flows past the Mine). The uranium <br />concentrations in Ralston Creek and alluvial ground water exceed Colorado <br />standards. R:00229; 00875, 00930 -931. <br />The area of the Mine is characterized by extensive vertical fracturing. <br />R:00078. Two faults, the West Rogers Fault and the Illinois Fault, cut through <br />the Mine. R:00063. Th <br />se faults impart a strong vertical component to the <br />ground water system at the Mine. R:00063 -64. In between these faults is a thin <br />brittle rock known as the Schwartz Trend. R:00078. The Schwartz Trend hosts <br />the uranium deposit, and is nearly vertical and about 100 feet thick. R:00078, <br />00948 -949. The Schwartz Trend intersects Ralston Creek about 1,900 feet <br />southeast of the Mine, where the creek flows over a 300 -foot wide exposure of the <br />Schwartz Trend. R:00078; Figure 8 -17 at 00080; 00087. The Schwartz Trend has <br />a measurable effect on electrical conductivity in the creek, which is an indicator of <br />total dissolved solids. R:00078, 00087. The Schwartz Trend is one of several <br />possible conduits for the mine pool to migrate to Ralston Creek. R:00885 -886. <br />Prior to the construction of the mine facilities, as fill material, Cotter <br />placed waste rock from the Mine into the valley adjacent to Ralston Creek so <br />Cotter could form a pad for mine facilities. R:00043, 49, 00969 -970. Seven acres <br />15 <br />