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<br />Flood of 2-3 Seotember 1938, On 2 September 1938, heavy rains centered over the <br />upper Mt. Vernon Creek drainage basin which resu~ed in extensive flooding in the Bear <br />Creek basin, A peak discharge estimated to be 9,000 cubic feet per second from a <br />drainage area of 4,3 square miles occurred at the mouth of Cold Spring Gulch upstream <br />from Morrison, Estimated discharges of Mount Vernon Creek at the mouth and 1,5 miles <br />upstream from Morrison were 9,000 and 4,200 cubic feet per second, respectively, Six <br />persons were drowned when trapped in their automobile on the highway between Morrison <br />and Kittredge, Downstream from the mouth of Cold Spring Gulch, damages were <br />estimated at $451,700 based on 1938 price levels. Upstream residents on both Bear and <br />Mount Vernon Creeks warned the lown of Morrison of the coming high water, which <br />probably averted loss of life, Had the flood occurred at a later hour or had no warning <br />been given, ~ is believe that the resiclents of Morrison could not have escaped w~hout <br />considerable loss of life, <br /> <br />Flood of 24 Auaust 1946. On 24 August 1946, a heavy rain near Idledale caused Bear <br />Creek to overflow. A Morrison woman was swept from her stranded car and drowned, <br /> <br />Flood of 9 Mav 1957, Flood flows resulting, from sustained rainfall over lower Bear <br />Creek on 9 May caused considerable damage to a bridge under construction at Wadsworth <br />Avenue and to residences in the area. High, sustained, w~hin channel flows through <br />Sheridan caused severe bank erosion and endangered homes bordering both banks, <br />Urban damages for this flood were estimated at $20,000, <br /> <br />Flood of 21 Auaust 1957, On the afternoon of 21 August 1957 thunderstorms occurred <br />over the Bear Creek basin, w~h heavy rain and hail beginning about 1 :00 p,m. on the east <br />side of Squaw Pass northwest of Evergreen, At most locations, the rain stopped w~hin an <br />hour, Peak discharges at Morrison were 1,000 cfs on Mount Vernon Creek at 2:30 p,m. <br />and 1 640 cts on Bear Creek at 3:00 p,m. While most damages from Bear Creek occurred <br />downstream of Morrison, Mount Vernon Creek left debris on the grounds of six or seven <br />residence in Morrison, flooded a garage and a used car lot and broke a water main, State <br />Highway 8 at Morrison was closed upon warning of the flood; later portions of the highway <br />were flooded by both streams, <br /> <br />Flood 23-26 Julv 1965. On 23 and 24 July 1965, heavy rains over the headwaters of <br />Bear Creek caused minor flooding, throughout ~s length, Most damages occurred <br />downstream of Morrison, In metropolnan Denver, reports indicate that 25 werE' evacuated, <br />15 basements and a tourist court were flooded, and several bridges were damaged, The <br />peak-discharge on Bear Creek at Morrison was 1,030 cfs on 25 July, <br /> <br />Flood of 4-8 Mav 1969, Heavy rains from 4 through 8 May 1969 resu~ed in flooding <br />in the Bear Creek basin w~h the most damage downstream from Morrison, The weather <br />station at Morrison reported a total storm rainfall of 11,27 inches, with a maximum daily <br />amount of 5,77 inches, Unofficial rainfall amounts in the basin varied from 6.7 inches to <br />11,8 inches during the storm period of !; clays, The peak flows for Bear Creek at Morrison <br />was 2,340 cfs on 7 May, <br /> <br />Colorado Flood <br />Hydrology Manual <br /> <br />4,'7 <br /> <br />a=w=r <br />