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<br />LC~STLont to over l4,OOG =ee~ at ~cn~s Pea~. <br />of the S~. V~ain Creek ~ave cee~ app~cp~iateG <br />pa~ a~d i~rigation ~sage. <br /> <br />':"t.e ~.."a te~s <br /> <br />- .. <br />-,........- ...........~.~- --- <br />-............ --.-..--\....- <br /> <br />T~e St. Vrai~ Creek is a cc~ti~~o~s =lo~~~~ s~~ea~ ~~~t <br />drains ~t.e east slo:;Je c:: -=~e Ca~-=i~e~~2..1 :Ji\~:.~e b~~ ~..:':''''..- <br />o~ ~ort~ a~G Sc~th St. Vrai~ Cree~s. ~~o~ ~~e c8~=~~e~~e <br />0= t~ese c~eeks at Lyons, Cclc~ado, t~e S~. Vr~~~ Creek <br />=lows southeasterly t~~c~qh Lo~g=c~~, t~e~ce ~or~~easter- <br />ly to the So~t~ Platte River. ~ef~ ga~d Creek, ~ry C~ee~, <br />Sprin~ G~lc~, and ~~e Loo~i~ler Basi~ jo~~ t~e S~. ~~ai~ <br />Creek wi~hi~ the Pri~e ~rbanizee A~ea. <br /> <br />The to?og~a?hy c= the S~. Vrai~ <br />and Dry Cree~ Basi~s rar-ge =~c= <br /> <br />Cree~, <br /> <br />i,e=t Ea~c. Creek, <br /> <br />~ <br />ruqse(: <br /> <br />ar!d t.ea'7i:y <br /> <br />fores~e~ ~ocky ~c~n~ain canyo~s i~ ~~e ~es~, ~o slight:y <br />rollins ?~ai~ie la~c ~ear Lo~g~o~t, ~~ere past~re a~d <br />ere? la~cs Dorcer s~~ea2 ~a~~s li~ed ~it~ ~i~lo~ ~r~s~ <br /> <br />a~c ca~tonwocd trees. <br /> <br />S~ri~q G~~c~ ~as a <br /> <br />- . ....- <br />.::;as:..~ ~.:.:1.:'::.:'2 <br /> <br />extends ~? ~o ?erry La~e, b~~ ~as a c~a~r-el o~ly =rc~ <br />15th Ave~~e to St. Vrai~ Cree~. ~oo=~l~er Basi~ lies <br />e"-tirely wi~~i~ ~o~gffiont's Ci~y l~~its. <br /> <br />COfficercial and residential Geve:8?~e~~ ab8und in t~e floac <br />plains cf all ~~e st~ea~s st~died. o~ the s~. Vrair. <br />Cree~, f~o~ Airport aoad ~o ~~e co~flae~ce wit~ D~y C~ee~, <br />i~c~s~rial a~d co~~e~cia: D~~ldi~qs, far=s, ar.c ~obile <br />ho~e ?arks share t~e =~ood p~ai~ ~it~ g~ave: ~ir.i~g sites. <br />~he Dry Creek =lood p~ai~ is occ~piec by ~ot~ co~~ercial <br />buildir-gs a~e si~gle farrily ~welli~gs =ro~ S~~set Street <br />to ~~e confl~e~ce with St. Vrain Cree~. Deve~c?me~~ a~o~g <br />S?ri~g G~:ch is also represente~ by pas~~re land a~~ a <br />linear park Dounded by single-~a=~ly dwel~i~gs free 15t~ <br />Aver-ue ~o 3rd Ave~~e. Co~ercial a~d ir.d~s~~ial D~i~d- <br />i~gs occ~py t~e Spring G~lcn flood plai~ ~~oJ ~hi~~ <br />Ave~~e to the con~lue~ce with St. V~ain Cree~. T~e <br />Loonille~ Basin is totally deve~cped ~it~ residentia: <br />and cc~~ercial buildings. <br /> <br />2.3 Principal Flood Problems <br /> <br />7he St. V~ain Creek flows through Lo~gmo~~ i~ a broad <br />channel bed of s~if~i~g sa~dbars ~ound by ba~ks :0 to <br />13 fee~ ~lg~. Left Hane Creek, Dry C~ee~, and S?r~nq <br />G~lch flow in relatively steep, narrow cha~~els. ~he <br />over~anks of all the streams studied are relatively ~la~, <br />with the exception of the ~crth overban~s of t~e Saint <br />Vrain Creek a~d ~ef~ Hand Creek, which rise ~ore steeply. <br /> <br />6 <br />