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<br />
<br />In lU ls.ue of 17 June 1923, the Port Collin. Expr<<"" puhlLshed.,
<br />dispatch from Gr"eley whIch read:
<br />
<br />valley and ter,.inate<i in a cAnyon ",ith liltle or no eh.,nnel storage.
<br />Th.. flood reached the canyon station at 8:15 p.~., on 10 ~ay and
<br />destroyed the gage recordef, but from high water marks the peak
<br />discharge was estim"ted at 10,200 ".f.s. The fort Collins Ex-
<br />o ",. ,orm "hichextendedinto
<br />press-Courier, 1 June 193~, states ""at ue" ,
<br />the upper basin of the Cache 1" Poudre River, was not sufftclent to
<br />Increase materially the flow upstream from the mouth of the North Fork.
<br />'Ihatflow,,"aaabout2,OOOc.f.s., Indlcatingtnatthefloodpeakonthe
<br />North Fork was about 8,QOO c.f.s. No definite infor~tion regarding
<br />the duration of the flood is available, but the flood reAcbedFon
<br />Collins, 12 miles downstres~, about 10 p.~. and la$ted only 2 hours.
<br />Thechiet daw.ageot the flood was wrought On bridges, highway., and
<br />
<br />"Highwater''''the(Cnche La) P<>udre second only to the flood of
<br />190.(" ton1llhtshutoffaU travel on!Jighwnys Ilorth a[\dwest of the
<br />city dnd had drlven a score of fnrnilies from their home. on the
<br />lowlands. The south channel of the (Cache la) Poudr" h "'Hhln a few
<br />tn<:hes of theUnlonPaclfic track bot"'eenhero and Cheyenne. Three
<br />feet of water has drlven tourists from their camp ground in the
<br />bottoms. The Boyd farm northwe.t of hera was entirely under water for
<br />the first time since 1884."
<br />
<br />Flood of May-June 1930. Heavy rains in the North Fork Cache la
<br />Poudre River B~sin DO 31 ~ay 1930 cause~ the highes~ flood On the North
<br />Forksinea 1904 and a flood on the Cache lsPoudreRiverat the canyon
<br />gaging s~aeion that rankad among the most severe floods in ehat ar~a.
<br />
<br />lrrigation canal head gates upstr~am frDm Fort Collins.
<br />althoughbankfuU, did not overflow ita ch..nnd 1nPort
<br />
<br />,he river,
<br />Colllns.
<br />
<br />The storm that Cdused the flood ap~eared to oritlnate 1n the
<br />foothills sOuth"'est of Livermore, where the altitude ranges fto," 7000
<br />to 7500 fe"~ II. s, 1. It tr,we l"-d north'''est, rel,,-_,s tng heavy pr<>clpi-
<br />tat ion dbout 7 "'-iles northwest of Uverrnore, dnd ended in a hailstorm
<br />tha~ covered th., gro<lnJ "'ith h~i1 ~" " dc;>t~ cf 'cverdl illdles. At
<br />Li vertoOre the rain started at 3 p.... and c"n~inued "nUl 6 p. Ilh, "'i th
<br />the heavies ~ fall about 5 p. ",. No record of the alllOunt of precipi-
<br />t~tion is "vaih!,~c. The N<lrth F<lrk C>lche la Poudre River started t<l
<br />rise about 5 p.",. ~n~ reached its pe.:lk ,.n h"ur later On the Livermore
<br />g3ge. The river ~e",,\ined high until S p. m" then dropped ral'idly. The
<br />peak dt.'charge was 6,800 c.t.s., as deterl>1nad by a R1ol'e-area me<lsurQ-
<br />meno. hS1!l.'lllareaatlivermore...a.i:1.undated.
<br />
<br />1951, a heavy
<br />fro~ Bouldet to Fort Collins. Approximately 12
<br />occurred neat Bellvue. A severe flood re.ulted
<br />
<br />ra1nstormoccurredoverthefrontr3ngeand.
<br />
<br />During the afternoon and night of 3 August
<br />foothill.
<br />
<br />Flood of
<br />
<br />AUgust 1951.
<br />
<br />inchea of rainfall
<br />on the Cache la Poudre
<br />
<br />,. ,".. -. "ood ~eak on the Cache la
<br />River ~nd on its tr uutary ry ~raek. '" ~ .
<br />Poudre River at a polnt 4 ~1~es upstream from the ~outh of Dry Creek
<br />occurred at 9:50 p.~, on ) August at an estlmated 4,~10 c.f.s. di.-
<br />charge. A peak of 12,000 <:.f.$, was estlmated. at Laporte. about 2 ~lle.
<br />downstream from the cQnfluencewlthDry Creek. A crest of 3,700c.f.s.
<br />was re"ched at 3 p.m. "n5Augu.tiltGreeiey.
<br />
<br />Betweon Liver=re a~d the canyon g,'ging .taU<>n on the
<br />Poud re River a bou~ 14 .n.!le" do'.nst r..""" the flood tr~v~,"~J
<br />
<br />Cach~ 1.1
<br />
<br />On the ~in stem, large areas of cropland were inundated ~3 well
<br />, , b ildinas Dama.o;e r~.ulted to num~rous
<br />asnumerou"houses..n ...rm u ",'
<br />. > ,. '~n'" ," "0" Collins. runoff from a
<br />irrigatlon da"s, "ea~wor..s, an ca,,~,.~. r
<br />smatl draw flooded a ~ortlon of CoLorado State College and ~ 10-!,lock
<br />tired of Fort ColLin..
<br />
<br />anarro..
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