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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />MAP OF FLOOD-PRONE AREAS
<br />
<br />EAGLE QUADRANGLE
<br />COLORADO-EACLE CO,
<br />7.5 MINUTE SERIES (TOPOCRAPHIC)
<br />'49 106'45'
<br />39'45'
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<br />Approximate boundaries of flood-prone areas are shown on this map. There is, on the average,
<br />about 1 chance in 100 that the designated areas will be inundated in any year. This information is
<br />important to public agencies and private citizens concerned with future land developments.
<br />The Clood.prone areas have been delineated through use of readily available information on past
<br />floods rather than from detailed field surveys and inspections, In general. the delineated areas are
<br />for natural conditions and do not take into consideration the possible effects of existing or proposed
<br />flood control structures except where those effects could be evaluated. Flood areas have been iden-
<br />. tified for: (1) urban areas where the upstream drainage basin exceeds 25 square miles, (2) rural
<br />areas in humid regions where the upstream drainage basin exceeds 100 square miles. (3) rural"areas ......
<br />in semiarid regions where the upstream drainage basin exceeds 250 square miles. and (4) smatJer
<br />drainage basins. depending on topography and potential use of the flood plains.
<br />The 89th Congress. in House Document 46.5, recommended the preparation of flood-prone area
<br />maps to assist in minimizing flood losses by Quickly identifying the areas of potential flood hazards.
<br />More detailed flood information may be required for other purposes such as structural designs. eco-
<br />nomic studies. or formulation of land-use regulations. Such detailed information may be obtained
<br />from the U.S. Geological Survey, other Federal agencies. or State. local, and private agencies.
<br />
<br />SCALE 1:2400)
<br />1 ~ 0
<br />c+T:...--:J- ,- ~1: a: F:::::r ~ ,-=i 1
<br />1000 0 1000 2000 iCOO 4()()()
<br />(--r"J I rr - ~= ----,- _--10: =1:'.1
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<br />f=L :~:... 'le:::L 1.:::. l..:...._l' :or:-I:::: :r-
<br />CONrOUr~ INTERVAL 4) FElT
<br />DOTlLO LlNlS K{-PRfSLNF 20 nDr CONTOl,R5
<br />OATUM IS MlAN ~F.A 'I vfl
<br />
<br />EXPLANATION
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<br />I MilE
<br />=s- ===..;:: =-::....._.____--=:1
<br />5000 bOO:) 7000 FEEl
<br />J:-="~ =,'--1
<br />I KILOMfTf.R
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<br />
<br />Flood boundaries were estimated from:
<br />Rea-ional stage. frequency relations.
<br />
<br />I ro_ 1
<br />
<br />PREPARED BY THE U, S, GIOLOGICAL SURVEY
<br />
<br />QI1ADk"NGlE LOCATION
<br />
<br />EAGLE, COLO,
<br />N39375 WI064517.5
<br />Base by U.S. GeOlogical Survey
<br />1962
<br />
<br />1978
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