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'C-~.;~~ '.. -('<;..r(<" ..~ UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY MAP OF FLOOD-PRONE AREAS ____r]~____~____"_ '-1" ilF)" , l.it:-'...____ / ..:;y/, ~- ~ G ,,",= '7 _\\.. I I'" J;;; ~O~~' ~ .~\\. V ....~A'l~ ~~ ,I,,,,,,rl <) \,1" /1 27", .,.v;" 3''' - \.. "l8 \~. ~r r / .,' ~ '/' ...---- ) \1 ~~,.J- " I I~ ( I:::! I __/ 0' 13 r'Y' <9 ., ~ ~ ~ ~ ; 0.....' (-- , , ,I 10 9 / / <..., ) i '- '\ ,..,"""............-- ~)..- ( , / , 1, . ,-' '- i ~ ~ / f \ \ ._~ '-. j \ \ , I I , \ ........_,,""Jo .~ ~. / ( "- '-., \' ~' \ ....~'b~ 1 I 'J,,- ii.... ....._ Il\;....J'~t:,-~'- ~. < 1: "'JI '~~'-----~"../(j! ,,- ...,"'-, --- -----~,- I 16 '" '..... 17 '\ \ ,( \. ri '1 .-- \\~....._... ) ! i 1 \",_ - i ~ '-l'~(~t ... I ~\~ \) 22 J I ,- , .... f (..-' I '- \..." .--\ \) \ I I .....,~-.. ~ 'i \ \ \ \ 21 \ ,.:~. ./ \ -~,_-/ .... .....) / ~~t" .. '~..\ " ~:\. / '/ (1 , , ". -{ ,', .' ~, '\ ....-;;;';;';:.,_..:t.;., .,...10--- _~.~.. ~'_ __. \. .t-~ ,.(:\;..--~. /."':- - ::) .' '- /" ( '\ ,,---/'- '''--' J // f /// ~"-: /' I " l 'f \, r' I ~I ... ~- o 22'... ,.- 23 . i9 l. ......, \ . " , -I- I 20 I ,/ ..........\. -<. -b, \ " .-., , ~b '..... ...~ '0 1 (......... / ~~ ~~1,1~- ~7~; ("- ,/ ( I .I >,rfJ I I I ,../"/ '....... (\,-,,~; \ U-31 ---.-.\""<'-" ..-- ~ -....-.., . ~ .... ~ \ \ 1\. f- '-""""'-, , .-.~/ \ , '...... '~;'j /,\ --' \ \. ,.,.... r... ~~" c~ \ ._.-',1........"",...... . ~l~~~~ ...a..._~.........."" \ "'-.......,. ..."" 28 l r '.. I.. t , , " .~ "-. \ ...... , \ \ \ " --- ........ ,'" ,~ ~..t;.~o ~ r. -' , >---.. '\ '<'If' " ( \j .~37 _ -~31l'O "\ I I ,,- i ' '''~ h . '-~:---- '-'" 21 " .,,,;> 27 1186 " .... <\ '-.-- .... \)25 ~9 30-/ ~ 26 .-,/ ,.. ---... , " ....~ ( , I \ \. ( '.", ) '. .... ,/ t')Hj ... ~' I' J , '\ \ I .... /' I \ \ ,\ I '/ l.- ) .....,.........j>~ .. '\ .' , \'- (;I " _.A t \ ---.... I j u_ (h r ..Jlj/1 I " -~.........'/''''' " " \ , f,- ,\ ~ . ~ , \, , '\, \ I '. I '".-1 ,.....,3J '- \ \'\ ) \ .........- I '.... ..........~../ \ \ .,' )'i-(j...: ,..i'''- -,\.,,-,\:; I J '- ..~ I , ..-' I "lO \.., ,........ '-'--' I \-' '-........ '... I ", '3 3 w. , 1,5 f':i' ~~ ~",'~~~~' ~, , ' 1..--4 - -"~, ~'-'I .-~".. ,',_. "':1 m.jf'" _-.. / ---',: r- ~ J' >765 I -=.' ' ~~~'-r\\\--'---'~- - ._..._-~--_::,":'- i \ -~-- - ._-~~_.__. 'l2 1 13] Y W >< ~ V 11S Approximatt' boundar-it's of f1ood-pronl" art'as are shown on lhil'i map. Tht're i~. on thl" a"'~.'raKe. ahnut 1 chane.> in 100 that tht. deRi..:-natt"d areaM will he inundated in any year, Thi!\ information is. importAnt to publit' ;lJft'nde!\ and private citizen!' conct'rnt>d ",'ith futun~ land dev~lovrnt'nts. Tht> nood.prone art'as han. btoen dt'lint'1d(~d throuJ{h liSt.' uf rt.adily 3\'ailnhlt> informa- tion on pa~t floods ratht"r than from d..tail(.d fielrl Kurv(")'s ami inspections, In 1.{l:"nt.ral. the d(>lineah-d art':lS are for natural conditions and do not tuk..., into cOMid('ration tht> 1)(.$_ "ibl.. eorft"ds of pxiMtiuK Qr proJ)()lwd flood control struclurt'!\ except wht>r.. tho!>l-e (.ffl.("tl'> ~ould '* e\'aluat~d. Flovo areu!' ha,'e becn id('ntificd for: (1) urban Rrt'as Wht>Tt> thf' I1p- strt"am drainage hajj,in exct"t"ill'l 2!, flquarp milt's. (:!~ rurnl Krt"M in humid reJ{iom~ wht>rt' th.. upstream drainnl!p blUtin t'x('M>(is 100 S<luarf-" rnil~ (:'1) rural art>ag in semiurid reJ;ri()n~ whf-"re the upstream drainage hasin t'xceeda 2':')0 l>Hluare rnil{>8. anti (-I) smaHt'r draina~E' hl18ins, dt>pendin~ on topol{raphy and potoPntiallL"(' of tht. flood plains. The 89th Congrt>-Sli. in Hou~t' lJo("ument 465. ft'comml'ndt>d the prt'paration of (]Ol.w.J.proflt.-' .l:l.r('a maJtS tQ Msi!ll in minimizing flood lffll'l'l'l:! by (Iuickly idt'ntiCyinK lh(. arl:'as of potential flood hazards. ~or(> dt.tailed flood information rnn~,. he rE'Quired for otht'r pUrpQ~WR 9011('h a.rot ~tru~tural df.>siKns, t'('onomic ~lu(iit.'8. or Cormulation of land-\lsl:' ft'gulalions. Such dt.. tailt;"() information may ~ ohtained from th~ U.S. Geologil'al Survey. otht.>r Fed,'ral 8Kl:"ncit.'8, or Slate, loenl. and 1)r1va...e 3R'tmdes. v , \ I <~'\ \ , \ r \._J ~ o '. ''OJ \, I"~ '\ ..../" ./ "" j' -- . \. ,:;;f ;.:.-,,",- ......l~ I \ ,./---/ ~. \' /' / --........ -.... I I..'" ! \ i ! '''''' /~ \ I ......... ~~./i \.. ~ "lll I I I I" _.j l- 1"'11 -', l l _3670' 'j"'~-' \.-'j ,~ . ~/ '\. ,~::;----:-- --- ',. ~ '#. ~'J " 'q \ ":'6'- , ,/ ~ ~ f/" . .... ." ... 1:., "'-,J / -, <'\ \ \ ':-- i'- \ '\ , \' \ / \ -l I ';., ,,} :_-~:~ ""<iJ.'~'tl. I I ! vr.;a., t. \, \. , ~ - ~1=;;';;~ \ "'.'''->a''''''''''t'''.-'''- ~.f;:;-,.j-'''' ~ : ~';l-~ 0:'\'''''' .... \; \ / : -"-':.~o._.,... 36;0- '''~ \ 4 ( ~ "-<1~" ......,1' --~-...~ ,~, ) f .,'.-...... '"'\ .... , ........_, 3:ri5 5 f \ ~. \ 1', _.~- _____~~, _;.~...::.-._ _h_ ~ .~" N , ;: N-'lNr,,-- S....."R 4.:t ',', "" ."::Y -L~_.. ._~ ___h. "o--l r,~ .:;,-----;.~- ._, ._.......:.-~-- '3S . '36 f3~ SCALE J 2~ 000 EX PLA!':.1 nON " -~~ .f;.s_'Yt. - G .... q. . \t" ~ 'F :l x<,. 'la-,rEe Flood boundari~s w~r(. estimaV'd from: Rt"J{ional M.aI{t'.frl'QU(~!1C'Y T'l-Intinn~. :00 ;;".' ~. I,). "-' ...." > _1 ~~ ,C~;_1(' .;, l,tr' "l y4J ~.. , "-) ,~ Thi~ ,,"ork was performro by the U.S. Geological Survey for .!nd funded by the Federal Insuranc:~ AdmlOlst"ahon. Department of Hous;ng dnd UrtJan De...eloprnenl. to meet prOVISions of the NatIonal Flood Insurance Act of 1968 t li'--'.::)" :t. (X'loh~ VENANGO NW. COlO .'.~';' ".40-"' /.',' ,/ Basp. by U.S. Geological Survey 1962 1974 .. !-.Ri ""....'>'~ ~I,;,\...~\.~ ,~) ;:,Y ,~,C' I i I I I 5395