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<br />B26 <br /> <br />T"'O,- ....."....~ __ . _ _ _ <br />':'UVVU;:! V.l' l;jt\,') <br /> <br />iN THE UXITED STATES <br /> <br />SOUTH PLATTE RI'VER EASIX~ COLORADO, <br /> <br />.......~..-.... ,.....,,- <br />,JU':'\.l:.o 1.:7'1;"; <br /> <br />n')7 <br />.J..JJ:.." <br /> <br />and 011 the SOllth Phtte Ri,-cl' llL'ar FOlt ~rOI'gan. The ;'T"'entY-l~jdlth <br /> <br />,Bienni<~l Heport ()f the Colorado State E-ngineel''' contai;lS ;OIlW <br /> <br />..t~lltatl\'e conclusions" and qualifies the published disl'hal'~e fi~lIre~ <br />wIth the COlllment : . <br /> <br />",rbiJ(' ~()llle of tlH' l'Psnlts_ n:ll't-i('nl'll.h- tl,,,,.,, ,,-t ~I", n::".. I'.. ,,:_ <br />. ' 1. ---, -----"-',' ,..".,.... ".l. 1H": J...J11"1I " !lc-\:l~ <br />dlsl'llal'pl', ;lppt':Ir to he ill('redible and entiI'ph- hPI'oml anYlh'i!l"" \\.l1i('h <br />~,la~ l':-t'l' o('('ll1T~'d in (,ol(lI'ndo 01' ,Hlj:\('t'llt :~I'('a;, they ;;'l'I' :-1l1Jlllitk,1 <br />lO!' \\'l);lte\'er Y<title they lIla ,- Ita \'C'-' <br />Tahle:? include;.; thE: ;.t(>;ltatin~ (,o!l(']!!~i!)n:.-;" for the 1:J:i,-; Mood ;ulll <br />comparable dis('ha)'g'('~ del(,l"ll\illPd in I :)fG. <br />nie:ch...............s ,:i,,~:,,_ d.._ d 1 ,...... _~_,_ _,... _ <br />~~~ ....~6'- '-Hllllfg lllt~ IIOOU or ~\Jay l~J;);) on h.lO\Y,l Creek \\"('1'(' <br />{3,500 cfs abollt 1 mile downstream from Elbert and 110.000 ds "bod <br />j:! miles clo\\"llstn'<llll frOll! KiO\Y<l. III ("nntr;l~t, di~ch;rO'es ill 10S-5 <br />\~~re 41,;SOO cf:;; pIllS an unknown, but substantial. flow ~from 'Yest <br />T\..,o"-'" C~eel. ~~ T;'ll I ' -~ ""'.0' ~ -~. <br />~ . ..... .J.. h.. ,l[ .I~Jl)el' alln U)jIU e!s at h..lo\\'a. The he<lyiest rnin:-; in <br />1?3~ were near Ellwl't and Kiowa, wlll'l'pas in lOG5 the\' were a]ol)lY <br />tile headwater diyjdl'_ _\nother llotahie flood oCl'urred OIl I\'imY:l CrC'C'k <br />on ~f:.n: ')1 iR';"x I, t l , ,-i: ,.--.l.u l' _ '. _ _ <br />'. '_ -~~ -(~,(., ,1,1 ,!(, 'IlSulll~g:e J1gnn~s arc anulaole, _\ -C,HlOll <br />Paclhc jocolllotin~ nlunged into the ';:'~ln.1<;: ",f K;AH'" ('...""l~ rln~:"_T ..1.:.. <br />flood and wasne,-el:fotu7d, " -"'--'- v.o. ~....~v..~. .......'-"-n. UU.lJl1h 1111:'> <br /> <br />mitte('~ tot:ll $500 111illion in tilt:" ~ol1th Platte Ri,~er hasin; about ~;jOO <br />million was in the DeJn~er area. <br />The damage in the- area Horth of Greeley and west of Sterling oc- <br />('lIlTed .J11nc 14-1G. Haad", ,,'('re flooded, bridges and bridge approach('~ <br />\\'ere washed out~ as Il1u<:h as ;) feet of \Yater inundated parts of the <br />towns of Gaieton, .\t,,"ood, Sterling, and Gredey, anu liyestock. nllt()~ <br />lllobil('s~ :tnd farm machillt'ry were iost. Some flooding was c;lll~ed :lfter <br />local drainage facilitie::; b(>('ame plugged by hail. <br />Lone Tree Creek OH'l'topped a ~()-foot~hip:h earth-fill (1:\m <lnd <br />,yashec1 out a IOO-foot g<\P in tilt., c1alll. Tht> release of the stored \yater <br />added to theftood pl'obiems dO'i\"llstream, <br />Near At,yood,'floodwutcl's fronl Pawnee Creek undercut the Deln'er- <br />Chicago main line of the l,Tnion Pacific Railroad. <br />The damage in rural areas in the Plum Creek basin was extensi,"e. <br />The he..n"y runol! deposited all kinds of debris-from sand to huge <br />boulders and trees-on fields and pastures. Road embankments were <br />se\-ereIy eroded, and bridges on county, State, and interstate roads <br />\\"ere destroyed. (See fig. G.) L.'1rge cnt b~nks, particularly along East <br /> <br />T\JH>F.?_,...^""".,,,....~~__.r___, ,., __ <br />- -- -. ...-"".,.,....'..,vr. v, lIt''''II' "'7.~wn.nrnp,Q"'", .. ~.....,,~ ,,_,J IJ,-.;~_. "'__,'"~ J'_.. '" , . <br />- . 1935~a-~ii965~~.... .....,.'" ....Jv... '-"""f\.') JU' JWuu;s UJ <br /> <br />- < _ '~'~~"~V-~~~'.:~ry;~~T:~'--..- <br /> <br />Drainage <br />.,." <br />(sqmi) <br /> <br /> <br />Stream and iocation <br /> <br />Pf>alrdi5Ch.'lrge (c.f.s.) <br />1935 IG65 <br /> <br />Kiowa Crcck at Elbert <br />W:cst Kiowa Creek at Efbe~t========~==~~--- <br />KIowa Creek at Elbert H -- <br />Kiowa Creek at Kiowa ~ u ~ - -- ~ - --, -- - -- ---- <br />Kiowa Creek north of K-i~~\~a~ - - - - - - - ~ - - - ~ - - - <br />Kiowa Creek at BennC'tt -----------~---- <br />East Bijou Creek at Dec~-Tr;,if_- - ,- - - ~ - -- - -- <br />~I~ddle Bijou Creek belo\\" Wilso;l- Cr~~k- - - - ~- <br />l\Itddlc .~ijou Creek near (Peoria) Deer T;;if - <br />\Vest BIJOU Creek near Kiowa -- <br />'Vest BijOll Creek at Johnsons-Bridg~ - - - - - ~ -- <br />\~cst B!~ou Creek south of Strasburg_~~== == =- <br />".~st BIJOU Creek at Bycrs______~___~_ - <br />BljOn Creek near Wiggins__________________ <br /> <br />28.6 ---~------ 41,0")00 <br />35,9 ~-~------~ 20, 000 <br />65 43, 500 --- <br />III -'----~- 19,700 <br />190 lID, 000 - - - - - - - - ~ - <br />236 75, 300 2.1, nOD <br />302 23,000 274, 000 <br />1.:)1 71, 270 ---------- <br />190 143, 640 145, 000 <br />85_ 7 ----~----- 67,200 <br />IlS 34, 250 - ~ - - - - - - - - <br />IS7 44,400 - - - - -.. - - ~- <br />277 164,670 75,500 <br />1,314 282,900 466,000 <br /> <br />);OTE. <br /> <br />DrainagE.' anas lor sitE.'s USE.'d only in 1935 not coordinated with drainage arcas of 1965 sites_ <br /> <br />FLOOD DAMAGE <br /> <br />Six persolls were drowned, and at least two othf'IO df>:lth.;:. u'prp ~L <br />tributed to tl~e storms and acti,'ities related to the fl;)o;i~: ])~;~;~e <br />eS<lI11ares, made shortly after the flood by a special Congressional co~- <br /> <br />FIGL"RE 9.-Bridge on approach road from Castle Rock to Interstate High~ay 25 <br />destroyed by East Plum Creek, Denver Post photograph by William Peters. <br />