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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Reference <br />Point <br />Number <br /> <br />154 <br /> <br />155 <br />157 <br />158 <br />159 <br />160 <br />161 <br />162 <br />162.1 <br />163 <br /> <br />163.1 <br />164 <br /> <br />TABLE 6 <br /> <br />FLOOD FREQUENCY-ELEVATION AND DISCHARGE DATA <br />Upper Lefthand Creek Boulder County, Colorado <br /> <br />Distance <br />From <br />Mouth <br />Ft. <br /> <br />Stream 1/ <br />Bed - <br />El evati on <br />Ft.-m.s.1- <br /> <br />10-Year <br />Peak Flood <br />Discharge 2/ Elevation <br />c.f.s. - Ft.-m.s.l. <br /> <br />Flood <br />El evati on <br />Ft.-m.s.1- <br /> <br />50-Year <br />Peak Flood <br />Discharge 2/ Elevation <br />c.f.s. - Ft.-m.s.l. <br /> <br />100-Year <br />Peak Flood <br />Discharge 2/ Elevation <br />c.f.s. - Ft.-m.s.l. <br /> <br />Identification <br /> <br />500-Year <br />Peak <br />Discharge 2/ <br />c.f.s. <br /> <br /> Downstream <br />727+20 Study L imi t 1035 4145 6700 14990 <br />730+62 5628.1 5632.0 5634.1 5635.2 5638.0 <br />733+75 Geer Canyon d/ s 1040 4160 6700 15000 <br /> u/s 950 3460 5770 12990 <br />735+65 5639.0 5642.3 5644.8 5646.3 4649.6 <br />742+52 5652.2 5655.1 5657.2 5658.6 5661. 8 <br />753+40 5669.1 5672.7 5674.5 5675.6 5678.1 <br />760+14 5680.4 5684.5 5687.0 5688.6 5690.7 <br />764+85 5687.5 5692.0 5694.8 5696.2 5698.7 <br />777+00 5712.2 5716.1 5718.8 5719.7 5721.9 <br />778+30 5715.0 5718.8 5721.2 5722.5 5725.5 <br />778+80 5716.0 5719.6 5722.4 5724.1 5727.9 <br />778+85 Lefthand Water 5718.0 d/s 5719.6 5722.4 5724.1 5727.9 <br /> Supply Diversion u/s 5724.4 5729.0 5732.1 5738.4 <br />778+95 5720.0 5724.4 5729.0 5732.1 5738.4 <br />781+12 5726.3 5731.5 5735.5 5738.5 5744.7 <br /> 1/ Low water elevation as determined by aerial photogrammetric methods. <br /> 11 Discharges are prorated between stations. <br /> <br />12 <br />