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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 /> 16 <br /> 14 <br /> 12 <br />C 10 <br />5 <br />M 8 <br />1 <br />0 6 <br />0 <br /> 4 <br /> 2 <br /> 0 <br /> 0 <br /> <br />UNIT RUNOFF VS, BASIN AREA <br />Yampa River, Colorado <br /> <br />, <br /> <br />, , ' <br />. . , . <br />, , , <br />, ' , <br />'M'_H_'_HH_M._"_~'-~'_"_'__MH""""__'''H_''H_H'''''' <br />~__'~i_H__H..+-t 1 '; <br />__t__HH-+_~_'_"HH"""i-----!-_H__"_+'~_'_"_H"'_--;~'--"''''-"--"r--'-'~"H~' <br /> <br />. . : , <br />....~....~..,.............,..__.., ,..~......- t- '--';-"-"'-'-=:~--T~-"-"---;-''''''---'-'''''''' <br /> <br />~-+-=n=f==p1= <br />=+=:811= r=t=r-}r= <br /> <br />500 1000 1500 2000 2500 3000 3500 4000 <br />DRAINAGE AREA, Square Miles <br /> <br />LEGEND <br />~ COE -+- USSR 1977 -- COE 1976 -e- Extrapolated <br /> <br />Dam failure floods are significantly larger than <br />floods caused by natural precipitation. For example, <br />the flood on Fall River at Estes Park, Colorado, which <br />resulted from the failure of Lawn Lake dam on July 15, <br />1982 had a peak discharge almost ten times that of the <br />previously estimated 100-year flood and flood depths in <br />Estes Park were over 2 1/2 times the estimated depth of <br />the 500-year flood. <br /> <br />.3 <br />