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<br />108"00'
<br />38'30'
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<br />239000m E. I
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<br />'5962 2 f F"'""":"~ ~:
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<br />1 3 to 000 FfET
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<br />MONTROSE WEST QUADRANGLE
<br />COLORAOO-MONTROSE CO.
<br />7.5 MINUTE SERIES (TOPOGRAPHIC)
<br />1 7"52'30'
<br />38"30'
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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />MAP OF FLOOD-PRONE AREAS
<br />
<br />
<br />8 MI
<br />
<br />57'30'
<br />
<br />243
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<br />4461 III SW
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<br />4252000m N,
<br />
<br />239 I 290 GOO FEET
<br />Approximate boundaries of flood-prone areas are shown on this map. There is, on the
<br />average, about 1 chance in 100 that the designated areas will be inundated in any year.
<br />This information is important to publie agencies and private citizens concerned with future
<br />land developments.
<br />The flood-prone areas have been delineated through use of readily available informa-
<br />tion on past floods rather than from detailed field surveys and inspections. In general,
<br />the delineated areas are for natural conditions and do not take into consideration the pos-
<br />sib:e effects of existing or proposed flood control structures exeept where those effects
<br />could be evaluated Flood areas have been identified for: (1) urban areas where the up-
<br />stream drainage basin exceeds 25 square miles, (2) rural areas in humid regions1where the
<br />upstream drainage basin exceeds 100 square miles, (3) rural areas in semiarid regions where
<br />the upstream drainage basin exceeds 250 square miles, and (4) smaller drainage basins,
<br />depending on topography and potential use of the flood plains.
<br />The 89th Congress, in House Document 465, recommended the preparation of flo4Xl-prone
<br />area maps to assist in minimizing flood losses by quickly identifying the areas of potential
<br />flood hazards. More detailed flood information may be required for other purt>oses such
<br />as structural designs, economie studiE"s, or formulation of land-use regulations.>\- Such de-
<br />tailed information may be obtained from the U,S. Geological Survey, other Federal agencies,
<br />or State, local, and private agencies,
<br />
<br />ASHlNGTO... 0 C
<br />
<br />38'22'30'
<br />107"52'30'
<br />
<br /> SCALE 124000
<br /> , 0
<br />e "3
<br />1000 0 1000 2000 3000 4000 5000
<br />~ ~ ~
<br /> 5 0
<br /> ~ ~ ~ ~ ~
<br />
<br />1 MILE
<br />
<br />EXPLANATIlDN
<br />
<br />,.-/"00
<br />"'~o<'o
<br />'~ '1.-
<br />","-
<br /><-
<br />
<br />6000 7000 FEET
<br />
<br />KILOMETER
<br />
<br />Flood boundaries were estimated from:
<br />Regional stage-frequency '];"elations.
<br />
<br />CONTOUR INTERVAL 20 FEET
<br />DATUM IS MeAN SEA LEVEL
<br />
<br />Prepared by the U.S, Department of the Intenor,
<br />GeologIcal Survey, in cooperation with the
<br />U.S. Department of Housing and Urban Development,
<br />Federal Insurance: Administration.
<br />
<br />COLORADO
<br />
<br />.
<br />
<br />QUADRA~GLE LOCATION
<br />
<br />MONTROSE WEST, COLO.
<br />N3822 5-Wtol.52 5/7 5
<br />Base by U.S. Geological Survey
<br />1962
<br />
<br />1973
<br />
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