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<br />Mountain Fault. The tovns of Florence and Rockvale use Newlin and Oak <br />Creek water to satisfy their municipal denands, and each has established <br />points of diversion at or above the area where the drainage crosses the <br />upturned and truncated western limb of the Chandler Syncline (see Figure <br />2.04.7(lc)). The additional expense In pipeline and maintenance costs <br />probably Indicates that the streams leaving the Wet Mountains lost <br />significant artnutus of CheTr already-short base flow to the aliwial, <br />col iwlal and landsl Ide deposits eest and north of the fault as wel l <br />as the more permeable of the upturned sedimentary strata west of the <br />synclinal axis. Both of the major streams dralnlrg the northeast flank <br />of the Wet Mountains have been extensively developed as municipal water <br />supplies, and no longer can be assumed to contribute regularly to this <br />flaw systen. Smaller drainages In the area are typically ephemeral <br />throughout their catchment basins. <br />• The Arkansas River cuts across Lhe lower (northern) end of the <br />synclinal basin, where It contacts the VermeJo Formation, Trinidad <br />Sandstone and Pierre Shale either directly or through subcrops under <br />recent ailwlun. Due to Its law position topographically with respect <br />to the major part of the basin, the river can be expected to have only <br />iocallzed effects an ground-water flow systems signlflcant to the Permit <br />Area. <br />Lithology and FNdraulic Procerties <br />Information presented In this section was taken in large part fran <br />the following sources: <br />Ca) Willard Owens Associates, "Flydrogeologlcal report for mine <br />permit acquisition", March, 1979. (included in this application as <br />Attachment III). <br />. (b) Scott, G. and Taylor, R., "Reconnalsance geologic map of the <br />Roackvale quadrangle, Custer and Fremont counties, Colorado", U.S.G.S, <br />1974. <br />7 <br />