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<br />(:') <br /> <br />" <br /> <br />..." <br />U1 <br />f\) <br />C> <br /> <br />I <br />j <br />i <br />.1 <br />I <br />.:\ <br />:) <br />; <br />~ <br />I <br />, <br />! <br />i <br />, <br />, <br />I <br />I <br />, <br />I <br />I <br />j <br /> <br />4.. Soil <br /> <br /> <br />The soil mantle in the reservoir area appears to be fertiJ.e, <br /> <br />free of stones and gravel and of considerable thickness. <br /> <br />5. Probable Quality of Water <br /> <br />There appears to be no reason to believe that water entering <br /> <br />the reservoir will be other than excellent. <br /> <br />6.. Geologic Features <br /> <br />The gcologic fcatures ,mrrounding the reservoir appear to <br /> <br />'^.' <br /> <br />be eomplex, including Pre-co.mbrian and sedimentary deposits, distorted by <br /> <br />gran!. tic intru5ion, faulting, and erosion. <br /> <br />G. Climate <br /> <br />The yearly temperature range is nermally from about 200F. to <br /> <br />950F. The frost-free period does not normally exceed 100 days. <br /> <br />The pr8cipitation, composed of snow1 rain, hail and sle"t occurs <br /> <br />,~:> . <br /> <br />for the mos.t part during the wintor and spring and prob~ibly does not <br /> <br />:.;;, <br /> <br />exceed 20 inches annually. The rainfall, usually accompanied by hail <br /> <br />or sleet, occurs in late spring Dnd provides only a small perccntA.ge of <br /> <br />tho annual precipitation. 'Winds usually accompany the mountain squalls. <br /> <br />~, <br />~1. <br /> <br />The area does not have prevailing '\,Iinds. <br /> <br />~: <br />~ <br />~! <br /> <br />D. R,?lationship to Population and Transportation Syst8ms <br /> <br />j.: <br /> <br />It i.s estimated that 101000 porsons reside in the recreational <br /> <br /> <br />zone of in11~ence of Rattlesnake Reservoir, about.6,OOO of whom are <br /> <br />classed as,urban. <br /> <br />8 <br /> <br />