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VU -GRAPH - MT. CARBON DAM SITE <br />WITHOUT OVERLAYS <br />This is a-detail the downstream reach of Bear Creek as it enters <br />the South Platte from the west. Urban development in the Bear <br />Creek valley has progressively extended upstream from the mouth of <br />the creek-for a distance of-about 4-miles to Wadsworth Avenue. Sheridan <br />is a small community at the southern edge of metropolitan Denver, The <br />diagonal black bar at the lower left marks the location of the Mt, <br />Carbon Dam Site. To the east we show the location of the Bear Creek <br />shopping area in the vicinity of South Sheridan Area. <br />MT. CARBON SLIDE <br />OVERLAY OF MT, CARBON RESERVOIR <br />This overlay shows the approximate area of the Mt. Carbon Reservoir <br />at maximum pool. To illustrate the effective flood control that could <br />be obtained by the Mt. Carbon project, we transposed the 1965-storm <br />over the Bear Creek basin to show what could have happened along the <br />creek and the.South Platte River through Denver. <br />MT. CARBON SLIDE <br />OVERLAY OF TRANSPOSED FLOOD <br />This overlay shows what the results would have been if the 1965 <br />flood had originated in the Bear Creek basin. The entire flood plain of <br />the creek would have been inundated. The flood in the vicinity of the <br />Bear Creek shopping area would have spread to about 2,200 feet. The <br />water at this point would have been from 3 to 5 feet deep, and the vel- <br />ocity of the water would have caused severe structural damage. <br />Downstream from the mouth of Bear Creek, on the South Platte River, <br />the flood width as shown here would be about 2,000 to 3 feet. It would <br />R <br />