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I '" , '0) -r~ I I , --+ , 5630 ; , , 25 '..... ~.~ ~:~ ~. ~.~ .~ It) I . 15540 ----n-t- _._n ..0. I I c:-.. I "- , <\j I ~~ -[+ ~~ I '~~..- r ~: I ::!i <.oJ1.:i '" ~ ~ 'l:l ", , :, 5580 ~I "---,--tvt '-I , , + " , , "l,j ~ -,j \-- \ I \1 U_ , , 1 , i~ '" ~ 5620 /5 \\\ \ \ 56/0 <::J 4 05 - , . u "' ", '" <:) . .., , ~~600 "'-~ (,.,-- <:) : .:: I I' tn _.4 I I - +---------- I 1 I '--'''In_--:--n r- , , , i , , [55 , 5600 ! 95 _'95.5.0_ I , 1 , I 5590 e:: : "~~ I 96 92 7 1 , " ; I I I 84 82 t , 1 45. , I 86 90+00 /04 /02 /00+00 88 88 98 96 94 ,GREENHORNE and 0' MARA, INC. Engineer. . Architect. . ptannen . Surveyors . Photoorammetri.t. 1325 South CoIorodo BouleYord. Suite 405 . Denver, CoIorodo 80222. (303) 758- 5250 Ground COfltrol Sune, By MSM CONSULTANTS,JtiQ..... Aerial PholOQraphr By: GENGE AERIAL SURVEYS TopOQrophie MoppnQ By' GENGE AERIAL SURVEYS Contour Interval: i Date Flown: OCTOBER 10, 19BI Dote: Dote: 9jU Do.. ,.. ,;, ,~ ~ DII!Qned By: URBAN CITY DRAINAGE AND OF BOULDER Drawn By: ep~ Cheeked By: !,P}A. ~l.. Revised By: Date' {>~' , 'I1J .- It),,.'' , ~^ ' , ,,^v.'Q ~ ,<: ('\< , .--(0" ' - / (' -1'-~ ( 5-'> ~'" -\' ''!J " c~ ~ (\()\./' /---\(''i. (') , \ ;---.-... \ 'f) / / '" '" \ lb '/ \ ~ ~,\ II / ,..) Itl /' . ../'v^\,\_/ -i!: o~ ~ <))) <:> .... / " -"'\' /' /..... ~'<\ ' .~, ) v' //....- '.... \'...,) ..,,'( .> 1 / /1- j l~ \f' ,~: ... e:: '<l-' '11, ... 'I ~ , ~ I ll:: Il '~\ :-1; ~~-- ; "" 1\: ; ~~ : ~ \ I ; -ll"'~ I ':1 i~ r - 5 I ~\ I ''1 I T- -~Kh ' ' , , , I~ : .l-~ I '1 1451 , i 146 1 I I , , 75 I - -r------t-- I I . 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",' /~ ( \,.-' //;>~' \/-'\ >;-,) ../'^,/' \ - \, ,/// ,^/'" " /"\:-,'\ >" /'\:;. '-T- I I I I I I , I 1- - I I , I I t--- I I , I I ---1'--- ---- , 75, , , ' :~ , ,,,, 'P470 ,Ill , I 'l:l ", :, ..~ , ,e:: <:) 65 ,~ " , ~; 'l:l ~ I :>1, : :i: " c:::: <:), <.oJ '>.1 - - "'" '- i -.. ~ ~ ll.:-- ~ "'I.:i ~. ",0, !<q;t\j ~~.. '- ~ e:: ~ ~ , " .,+ ~ K ~ ~ ~ ~-;; '" Q, ~~+- '" "I <:)' i .::1 I ' ~: /5_ '" :, ~ .!:;i - " -..J_ ~: ,j . 8 ... ~ ..... ~ --- ._~._~..._-- ~ .., '" ~. , '55/0 .--+ .-,,-.._. i , -1 Hn I --r-;~---t-_n:--- , I , I I i t ! " <:) .:: _54Qq 'l:l ~ e:: " , '" (l ~ , - + - , , f 05. I I t I I 78 76 80+00 74 80+00 72 70+00 FLOOD CONTROL DISTRICT BOULDER COUNTY FLOOD \) '/ , 'v': , , " " ; ..:',~J , , v ,/ \ \/ . '-.\ / , , , ' , ,..J "',,,,,,,,, '" ,.....- ,N ""':":::c;:>'t,?'( " , .. " '\,/ -\ , ,'. , /'/'" / , \0"/ \ ... \..--'~ \ ~ , - 'I'Ll , I \.~ " .....,; , :: <) \,/ / (V.' , , " \ , \ \. \ , 'I" L ",/- /"' ~\ .. , , -, ) \t .) ') , v , \. 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' 14 ' , ::t::- 14~ ~ ~ t , 5450 .. , 45 I ! .... -I t I , -;---1- - , I , I I 5440 , -+-"----- , , , I ! -1- 64 35 I , -.,.----- I I , 5430 130 I I 58 56 68 , I I 66 62 60+00 HAZARD AREA DELINEATION CITY 'of BOULDER and TWOMILE CANYON CREEK SHEE T OF /6 3/ OF 2 " 7 JOB NO. 01 r<l U ~' '" r<l - I ::> 0 Cf) ~ U ~ c - - r<l .<= 0 'S r<l o - Cf) . <I) Q) .. C '0 -:: 0 o ::> r<l <I) 0 0 <I) U <Xl <t c: 0 '" "tJ d5 ~ 0 0> ~ ~ 0 Q) '" 0 > ~ U o '" ...J U ~ If) '" 01 "tJ 01 ::> C\J 0 co " (j) " (Xl Z o ~ tJ N w:=l ~ 1.0 f-- J 00 <( <r (j) 0= a.. STA. 57+00 TO STA, 104+00 SHEET 2 >- Z<( 0:5: -0 ,enO -0 >..J w u. C\I CI:W~ a. !Q T" <(D:ri :Et-W , 01Il :u.. 00 Ou.t- .u T"O CI:" W t-.~ t-:5: WO -J:I: If) ~ t;[ ~ U ...l 0 z Z '" 8 3: (,) "' <( W W <r :r: o I:::J U <r a. a. <l -' 0' --i ,"" ~~t 0:::2=; U;d - :; Img; W ~ jJJ' <ri~~ I,:~ ,WO::1o.. .+Il:i ~!t~ ~~ ~ ~~ , i