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<br />, <br /> <br />I <br />i <br /> <br />FLOOD HISTORY <br /> <br />Pawnee Creek and Sand Creek have often been considered together <br />when the topic of flooding has been discussed. This is because <br />Pawnee Creek can overflow into the Sand Creek flood plain at <br />Sterling. For purposes of this study, floods unique to Sand <br />Creek are not included. <br /> <br />Flooding along Pawnee Creek can occur as a result of general <br />rains over the entire basin or from local storms on individual <br />tributaries to Pawnee Creek. An example of local flooding is the <br />fairly recent flood of July 30, 1989. This particular event was <br />not an extreme flood but it did produce about 5000 cfs on Pawnee <br />Creek near Colorado Highway 14. Field observations indicated the <br />major portion of flood waters came from the South Pawnee Creek <br />and Raymer Creek. <br /> <br />I <br />, <br />, <br /> <br />The following are accounts of two major floods on Pawnee Creek: <br />May 1935 - Huge Pawnee flood damaged the railroad between <br />Sterling and Atwood, perhaps the biggest in many years. <br />This flow swept out several hundred yards of grade on <br />Highway 14, west of Sterling, washed out the approaches <br />to Sterling bridge north of Atwood, and sent a tide <br />flowing over Highway 6 and the bridge and tracks of <br />railroads at the Pawnee bridge. <br />June 1965 - flooding occurred June 14 and 15 as the <br />result of heavy rainfall on Pawnee Creek. Considerable <br />damage occurred throughout the lower reaches of the <br />watershed. South of Sterling, near Atwood, flood water <br />oVer~opped Highway 5 and railroad tracks. Paw~ec Creek <br />flood waters also flowed in a northeasterly direction <br />along Highway 6 and inundated portions of Sterling. <br /> <br />Other dates of listed flooding include 1883, 1894, 1914, and <br />1921. <br /> <br />~ <br />~ ~ <br />~ ~'{. <br />~i1-- <br />~. " <br />~, ~ <br />~.~ <br />'-\ ~ <br />.~'<1} <br />'" <br /><: <br />.t3 <br />1 <br /> <br />I <br /> <br />. <br /> <br />~':l~ <br />~",,,, <br />~.....- <br />t~t! <br />'tr \I ..... <br />~ , <br />~ ~.. <br />~';)'- <br />, <br />'J <br />~ <br />~ <br />~ <br /> <br /> <br />t <br /> <br />_tltllil <br /> <br />- . <br /> <br />. <br /> <br />'J. <br /> <br />, <br /> <br />, <br /> <br />If<'of <br /> <br />8 <br /> <br />" <br />. " <br />" '" <br />v.o <br />. .. <br />"0 <br />........'-'" <br />v '0 <br />.~"" o.~ <br />...."'v... <br />.~ 0 '" <br />v '- c,. <br />"'~+> l.. <br /><:...~ 0 '" <br />". <br />"'<..<>.'" <br />o 0 <br />.~ <:: <...> <br />n. <br />=>"""'<.. <br />< o. <br />...+>.-+> <br />"''-~'" <br />0"' <br />.....,,"" <br />. 00 <br />"'t:"'"" <br />"0 . <br /><"'>+-""-'- <br />~oo <br />H ~ <br />"'_.c 0 <br /><::~+><...> <br />,U <br />"';>0.... <br />0-<0"'0 <br />