FLOOD02119

• County: Rio Blanco
• Basin: Yampa/White
• Title: U.S.G.S. Floodprone Quadrangle Maps - White River City Quadrangle
• Date: 1/1/1962
• Prepared By: USGS
• Floodplain - Doc Type: Drawing/Map

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UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY

MAP OF FLOOD-PRONE AREAS

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Approximate boundaries of flood-prone areas art"' ghown on this map. There is. on the
av('raJo{e, about 1 chance in 100 that th(~ desiJ{nated areas will be inundatt..d in any year,
This information is important to public a~endes and private citizens concerned with futur('
land developments.
Tht' f1ood.prone areas have neen delineatt.d through lIse of readily available infqnna.
tion on past floods rath(~r than from d(.tailt'd field l;UrVt.ys and inspections. In R'eneral.
thp delineatt.d an'a~ are for natural conditinns and do not take into consideration tht> pm;.
sinle cffeds of exh,tinJ{ or proposl;>d noon control :;:;tructurl~S eXl~ept where thol'\e effects
could he evaluated. Floorl aretll-l hnve heen idenlifif>fl for: (1) urban areas whert.' the up.
stn'am drainage basin exceed:;:; 2S square mill'S. (2) rural areas in humid reJ{ions ,,,,,here the
up.'itrt'am (h'aina~t' basin exceeds 100 Aquare miles, (3) rural areas in semiarid ff'i;"inl1s where
th(' upgtrearn drainag-t.' basin exceeds 2;')0 square miles, and (4) smaller drainage hasins,
df'-p('nding on topography and potential use of the flood plains.
Th(' 89th Congress, in Hom-\e Document 405, rf'cornmenrled the preparation of flood-prone
art'a maps to a~sist in minimizing flood loss(>!4 by quickly irlentifying the areas of potential
flood hazards, Mort, detailed flood information may be required for other purposes such
as structural dpsiKn~, t'corlomic ~tllrliN" ln' formulation of land-Ul-w rt'gulation~. Such dt..
tailt'd information may be obtained from the U.S. Geological Survey, other Fedl'nd agencies,
or State. local, and private agt'ncies.

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EXPLANATION

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Flood houndarie!l Wf'-re estimated from:
Re..-riona.l stage.frequency relations.

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~~::rM,,==r~ _______

1 !<llOM(TER
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CONTOUR INTERVAL 20 FEET
DATUM IS MEAN SEA LEVEL
This work was performed by the U.S. Geological 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.

EJ

WHITE RIVER CITY, COLO.
N4000-W10S07.5/7.5
Base by U.S. Geological Survey
1966

QUADRA~GlE LOCATION

1974