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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />MAP OF
<br />
<br />FLOOD-PRONE AREAS
<br />
<br />106' 07' 30"
<br />39'30'
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<br />106007'30" 404 405 1830000 FEET .tQ6 5' lOl tOB (ALMA) ALMA 7 MI 409 R 18 W
<br />Approximate houndaries of flood-prone areas are ~h()wn on thig map. There is, on the 4762 I Sf:
<br />average, ahout 1 ehance in 100 that the designaterl areas will be inundated in any year. I SCALE 1:24000
<br />. .. . hr' d' . . d . h f I .,. 0 1 MILE
<br />ThIS information Il; Important to pu ll' agenCIes an prIvate Citizens concerne wit uture l::--==--~:--==:~ J. .... ----'---~~.:::::-=--=--~
<br />land developments. 1000 0 1000 1000 3000 4():)O ~ 6OO.J 7000 FEU
<br />The flood-prone areas han. been delinl-'ated through WHo' of l'earHly available informa- ELl3',' ?"- -~~._--'::I:'~:~ o~- "_.=:::=.L-~~- ---:c.== --:-:-.J
<br />I KllOMfH.R
<br />tion on past floods. rather than from detailed field surveys amI inspections. In gt'neral. ~__:F"'"=3.._-- "~..:::E:::o,{_~ ~1.S:= ~=--=-___--,..,."3
<br />the delineated areas an> for natural conditions and do not take into consideration th(' pol';-
<br />siblf! effpcts of existing or proposed f1nod ('ontrol strudurt's except wh<:>rp thm.e effects
<br />("ould he t'\'aluatt>d. Floutl area1'l have been identified for: (1) urban arf~as where the up-
<br />l'trf"am drainaKe basin exc(.t.ds 2;) squan> miles, (2) I'ural area:-; in humid regions wht're the
<br />upstn>am drainage ba~in t!x{"('t.'ds 100 !'ll]lIart-' rnilt.~, (::n rural areas in semiarid regiol11'l where
<br />the upstream draina}{e basin ('xeeeft~ 2;";0 sqllart' mih'~, and (4) l;maller drainage hasins,
<br />depending on topograpby and potential use of tlw flood plains.
<br />The 89th COn~tT(~SS, in House Doctlnwl1t 4n.'"I, recommended the l)f(~paratinn of flood-prone
<br />area maps to assilst in minimizing- flood tosses by quickly irlenti(ying the areas of potential
<br />flood hazards. 1\lore df'tailed flood. information may bt. requir{-'d for other purposes such
<br />as structural desi1{ns. economic studies, or formulation of land-use l'egulationR. Such de-
<br />tailed information may he obtainl:'d from the U.S. Geological Survey, other Federal agencies.
<br />or Statf', local. and private agencies.
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<br />106'00'
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<br />
<br />EXPLANATION
<br />
<br />~d':C'O
<br />",....L,-;.O
<br /><.
<br />
<br />Flood boundaries were estimated {rom:
<br />Rl>gional staR'E'-fl'l>quency relations.
<br />
<br />CONTOUR 'NTERVAL 40 FEET
<br />DATUM IS ME.~N SEA LEVEL
<br />This work was performed by the U.S. Geological Survey for
<br />and funded by the Federal Insurance Administration,
<br />Department of Housing and Urban Development. to meet
<br />provisions of the National Flood Insurance Act of 1968.
<br />
<br />B
<br />
<br />BRECKENRIDGE, COLO.
<br />
<br />QUADRANGLE LOCATION
<br />
<br />NE .j. MT LINCOLN I~V OUADRANGLE
<br />N 3922,5-WI0600/7, 5
<br />Base by U.S. Geological Survey
<br />1970
<br />
<br />1974
<br />
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