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, , , 7 '(s>"'~ -;.<.-6-S 0(...0...,... '1.-';"~O.s'<t "?'...,'fl-t,. '1:, UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY MAP OF FLOOD-PRONE AREAS }(l!':O: 4l ,0" "8J-N 8. BUCKHOR"I R)lNGt:,",' 5T<.\ 2" MI\ '81 1" - I cORI COLLlN.<; 1,1 MI,j '81 1 {O" "'--h' ~ 1]9000''[' 1 I J " 11 9 "v 0+ '-0_ ""-:.- 5605 "' " ~ i ) ~L ""_ l... 0,- I \ \ lr '. 1 \\ \" c \ \ ~ -~,-.- \"\~~ z\ \ I" \ \;,,\ S1ri"g~ ~ , 0" ('4' d'f' 'to( ~ ~ '" '- \ , V r- +,\ \ - .......~ (J~~ 1 1 ~ "",,- "81~ I c:) 1 ? Ydo"ol '" '> I. ) <- il2Y -' 16 ;:> 'i)- , ~? \ t I ) ~'" , 0 "81(17~ ~ ~ \ ~h1~-~ ~) lS \,~ ?, "'"~, ' ~ -~l) ~ 1<;, m'. l v"') J; . ~ ,\", ,-~"'i ( 1 ~8;) ~':) t" \ "79 / :.. k 1\ ;) f\v c"-.,I !"90 . / "; /" ~ 000 2. ~ ~ '" .. I I ~~' o,..oV \ I ~\ ~,l ~~. '. ",.,. \.... '''Wi \ ,.:. nn', J "I? '\ <\ <2 I' . '" \.:~7 1\ . rt" J I ;29,1> 2.8 '\ '.- 'J . , ~h * \ '-)" { ^"'\ "78~ C'o, Lz ~ /' . c.~ l!.y I ~ .. I . 0 ''0' - . "\ \ : 55<" \ I ~~ t~~~f'P*~~-1 ~I ( -- ..L;~ ;~ ~_'_. ~. \ ~u ~ ,,- ~ ~ '::.. ~'L f l'~ '\.,. ',ie )\",; Q"~\ \~' ,,;- ) - .<""""'\, ~ \ ,~ \ "77, <r Ic}~ \; ~. ~'- ~. d r? :\I.r \ \5\ , ' ,.,J (: '""~ q \ " \ '\ > ~' 1 . < '" ",,"'.. ( .' \-) \ I l \ - ~ 1 b.,;'~ - '",5' '~' (, Q ., I %~, ,j \:.~ ,) . ;; 'h. j ~ ~o"c<' ~ \ (( ~ \ .f"~ :;6 ~-,-,-,~__j__L!._e:_=1..__1 ~ ~' - ,00 \. ) ) I ~ ~ '""\ ';, . + -t!.: ,'/, 1\ ,'\, ' ~; f "\I\.~:"\ \: : ;3-, ;:' , I, )~;" '" ,J, I, I \\S ,/\' ''\ ~~~,O~ ~ i/ ? - "L.)I ~ )'01.' 3"' ,v "j ~ .\,\m62~ \ ..\. 5 ~ - > ~ \ \ I) I, I 0. '. ' j \ Aje2der '\ } "-- I )~.. "'---"-', " ~~. ,\1 ~ 4~75' 'tMountaio ...- 600C ~ I \ t @ I. l> fj \ "-----1 '~1)~\ \ YV/'{/~- " - 'Jt \ ~ ::' ;- \ ":..~,;;,';~ ~ ~ ':X '"9,.. \ 1 }) i' (/ ...."'l'i9fi ,,~' ","" , " ::'% .' ~..J' . J ".\ l:J' . r ( I "--.1 \:"0",1 ;1 ".-'"' 'y' '.:-."'M:.4I,.", cr I' >.., '.,.' " ) ( " ) ,^'~ ::. [ ,1!,L ""'fjf,.~."-..;;"",. L,ttI. .'.:. rJ )". :.~ I 't .' , 1 1 '1~ \ ..." Mt' :"....... Oam .)1 ......... - ,,\ . ,yo; ...(~ ~.i)1"-r~-JS :p..tf:~_Y:..) - of":: 1-~"S1' ... ..-~:-" -- ~)}---.-~.:.-: - --- i'1' -'-'.' /': L \ ij. 1 ,J~<!'/ (:f....-;: ~ \ d S ,., ,'t. -\:~;~;i.":" I.,.... (~\ )'.\ . ,,00 t'i::. .." r:!1 ,""" (.", . ~ 0. (I,," .\ ~:--. f ~ 1 ,,'\" 'I", ~ 'C"~ '. i ' I ,l,. ~ \I "fth'T''!''''~.. 0 . ' "74\ ~:~: ~ 1 j~ / LE " r~ NO' \ G r;11'~8 . to ~\;/ ~~_" Sc; .ti51; ~ -- '" '-",y/yY ~ r-" ; I ~ ~' ~ , J '~.' , ,,",l/:"'" . ~i'..,-,) .~ <;S":'. '. . f ( .... '~. \. ~ -? -'. b \ . I \ U ~73~g~. ~~.., J. ~)J ')>' '\~~ ..r1.......-...\.... ~ " . Ii. ""'-(r . . L 600 ,), I i..~ _ '- t~ ~ .' '1. , ~ ,-.- --...=..z - ~ ".r' -.:"'. --S- -:: I p~. <<'r I.' ~." .. \; v-', , <..'y' .,.. CO" . . z . ~ ~ t 1& "\".. .~<G ... . .... ""l:.. r-.,~ ,,,.~\<t\ ~.f\l ,'_ _ _ __ ') _ _ _ -,...6_:0.17 ,-. S ............. _______ r--.--l- . ~ 11l' .~ L . ~ .. \.. (V\ ~ -, . NJ '1 2) '\:: ~ ." . \ I ~. . I '- >-.. <.::.: 1\ '/? . J\ 1.1 ~ '.," " 1 (:Olloli':-- 'i \/\ ') ~ I 1"'0---"" ' t, \:'4. 39 "/0 I J "'l' "- 1- I 'I r 0 I' -. \ ,""" T ~ j eo... j. .... "....~1:oo \~-(Ji /"/ :f J 28 I '" ~ ,j..~ ,... .... 27 /\1 ffli "I/o L '/Y.Jl..! 479 480 481 f 1 482 1 31\~ Approximate boundarit's of floorl.pront~ area!'! are shown on this map. Th('re is, on the averaJ,t€-, about 1 chance in 100 that the designated areas will he inundated in any ....'t.ar. Thi!; i~formation is important to public ag-encies and private eitizens concenwd with future land de\'e!opmt>nts. The fluod-prone area~ have b(>en delineate{J through use of readily available informa~ tion on past floods rather tha.n (rom detailed field survpys and inspections. In general. the delineated ureas are for natural conditions and do not take into consideration the pos~ sible f'ffeets of existing or proposed flood control structurt'S ('xcept where those effeds could he evaluated.. Flood areas have heen identified for: (1) urban area~ where the up~ stream drainage basin exceeds 25 square miles, (2) rural areas in humid r~gi()ns where the upstream drainage basin exceeds 100 square milt.s, (:~) rural areas in semiarid regions where the upstream drainage basin exceeds 2;')0 square milt,s. and (4) smaller drainage basins, depending on topography and potential use of the flood plains. The 8~.th Congress, in Hou$;e Document 465. recommended the preparation of flood~pronf' area maPf'l to u};sist in minimizinlo{ flood losses by quickly identifying the areas of potential flood hazards. ~1ore detailed flood information may be requirf'd for other purpose:,; such as structural designs. economic studies. or formulation of land~use rp~ulation8. Such de~ tailed information may be obtained from the U.S. Geological Survey. other Federal agencies, or S.tate, local. and pri\'ate agencies. 'WE.,.. -., ~4f '" \ ",/ 'f I I Quam il\ ':.~ - ~ t'L1iO!\,,!lt>. _ -+- ,P t:)f l~'J53.'.5J__ ~ \~ ~t~...can>' '\ \ 'i ~ \ \ .~ A \ I '~ ~J< \ \( ~,"H"sd \ '. ' 22 =\\1 J~; ~, \{ :\~~.I"" ~r . I;, .. ~ I~ < ~ .u ---+ I .........- - ~--~~ 't '& -1S. ~, ......'c. \ I j { } ~" ....! , .Jr'"r~ .. \::\, ~~ 'H Y ~ ~ . ,. 25 .<--? -"1 g ,. . \ ...J) ~ '<\ o S?9-7ll; --"..,.. 1. 0:::- ',' .? .. ~ ?307 :sjj.:f 5.?54 I 52"?, 7255 '!>' (i\~ MASONVILLE QUADRANGLE .<0'-" COLORADO-LARIMER CO ~~<. 7.5 MINUTE SERIES (TOPOGRAPHIC) ,( '89 105"07"30" ~__. M),,30' ~i4483 JI 't..."c ~ IJ> Ii I;! ~J ~ / ~ ."- I; G I'. f]6"~.l 6 i), J ) f f i - .~" s I o.J )~.. il t ,'. ~i IS c~ ~ "o;~ ! II Ii 1} r~ "'6,. f ~ . 55" .... ,J '- mq ~ \ cP. .. ~, I . ~uarry "' ..:;' , , .' 29 , 36.nO p u ~;" ~ . "I ( 32 '\, ,s; /,~, \~ ""I 'I ( j L 5 t) ~\m ~ 5 N '\ ~. \\/r~ 4 '\11 ;?!-~9 '\,_: c" " ... . ~ to. \ o ".5';>5-' .~,t.. t<- / " .. ." . ~.- - < 05/."'0 0" O~.... " ., .' . . . ""7/ . '. ...G/;tvel P'l ~. c " o' ~. ~l'~O ~ / .~195 _~'l6, O'7'C-~ " " " '5397 J 517$ 14 ~ "'. 1"'." o. " " ~2';;"O 23 c 19 , -~ :..: ~. 1 .~ .r" '83 '86 . -+--_'-'--+---.,. "'t" ."",.. =--+---- '5)64 'f fi~ '. l .. {'c _~.tl~22,- .~. }~~_ ,_.~____ ~__ ;I : \1..;. (CARTER L.AKE: RCSf:RVOIRJ 4964 I Sit.' 5J25 4g{ R. 70W ". Ir R 69 w 0/-"- v~ o ~~ 00. <(.-..:J. f.J~ \ " " ,q\ SCALE 124000 1 MILl: ':'l ,. T:"" ::s- AXX) r '000 { T- 1 .f -1000 =Ll:.:;Tl;l '000 .r: 6000 " OOC FHT " , ::E: a:F o;:-r. CONTlJUR INTERVAL ^O FEET IE UNES RfPR(SEN~ 20 FOOT CONTOURS OA1\JM MfAt-' SEJl This work was performed by the U.S. Geologica! Survey for and funded by the Federal Insurance Administration, Department of Housing and Urban Development, to meet provisions of the National Flood Insurance Act of 1968. 1974 '" c: '05M' :.: :3 ~. 9 JSi ~ ~) !~:'J"~' ..... :i ~~ :',~_ I ~ ~ ~ 0 :0<: \ , ~j -...; ~; .v' OJly ;31-.. ~ -. _ fj ..' '. M o~ i"" . .L_~_..:.:: '--;~ ..,,~.:.:... -FJodds delineated in this area.~ - . . ..' -. ^ in greater detail by the Corps, . ':~: 01 Engineers, U.S. Army \ ^'F.;>S .. I ~ + I I \) 'J ~ ''5087 .....- t - )..1 . ." i\(,t .Wale, M\o,~ 18 17 I)\ZO I. , .d y , +5l'~ ,( .'! I & I I l' I ; 5),;.5 , , is.?J8 , -//: 'if. 5?60:i~;;=na r I I I I - T Buchnghanl f.,aft!' "'5o.'f9~ -:- ... -"".-- S...20 ....c '511( rlo .." AA <, BOF;[)J,'CKt:1I 20 I. A K F; " , g. ~ o c. ~. Co " ..' ~:. ~. o. " G.,.o "'G~ R/sr _q_~;1 D;;.~ .". 30 ) 29 . "",eA'O" (<Of;;- ;leAL "'1.'1>..". W~"I"'G1"O'" " t CAMP/ON .6 MI t 40022"30' 105"07'30' " .87000m L B" -.5UJ3 - - 1-" 1 --, 5~ .1 'C:::,~........ '\ "82 420000 ~ fEn \ I I 4481 I I I 21 "80 s " ?I ;j I I -L9 , ~ ~ 12730" I ~4478 . S~6? I run h~ ,~ I~: :.~ c~ ~ I I 6N 14476 T 5 N. 4 1"75 , ~ -~j . 1 I I :44]4 20. j I I .lU72 6 J I "0 '0 "k680: ~._- I I ':5086 ,. :'. .f71 ., I " '. . ,., . . I jSPILi.WAY .. I [Lt. 5062 \ 1- 1, .\ DITCH , I 5.2~.i!~ ....~ .. . " EXPLANATION 21 1 1:1046 I 1447()OOOIlI-N. g !I 28 ~'" yo... -?.... &"...-s..O oS'",,(...C..... ~ Flood boundaries were estimated from: Regional stage-frequem'y relations. COLORADO QUADRANGLE tOCAHON MASONVILLE. COLO N4022 5 WlO:~07 S/! !;. Base by U.S. Geological Survey 1962 PHOTOREVISED 1971