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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />MESSEX QUADRANGLE - ",.,-1
<br />\,\ 00
<br />COLORADO ,,'-",0 I
<br />,> '\
<br />7.5 MINUTE SERIES (TOPOGRAPHIC) ,>
<br />103"22'30'
<br />40"30'
<br />
<br />MAP OF
<br />
<br />FLOOD-PRONE AREAS
<br />
<br />103030'
<br />40030'
<br />
<br />536~1II $w
<br />(WILLARD>
<br />
<br />'33
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<br />25'
<br />
<br />R. S5 W. R. 54 w. 27'30"
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<br />'31
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<br />WILLARO S.7 MI.
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<br />40022'30'
<br />103030' fl28 .2560 000 FEET fl29 R. 55 w. 14 MI. TO us Of
<br />Appro:-::imate boundaries of flood-prone areas are shown on this map. There if.;, on thf'
<br />averagt', ahout 1 chance in 100 that the designated areas will be inundated in any year.
<br />This infmmation is important to public agen{'ie" and private dtizens concerned \\'ith future
<br />land dt"velopments,
<br />Tht, flood-prone areas havt' been delineated through use of readily lwailablf' informa-
<br />tion on past floods rather than from detailed field 8urvey~ and inspections. In gent'ral,
<br />the dt'lineated an'as Hre for natural conditions and do not take into consideration the pos.
<br />siblt> effects of existing or proposN! flood control structures except wht!re those e-ffects
<br />could be evaluated. Flood an'as have bee-n identified for: (1) urban areas where tht> up~
<br />stream drainal{f' basin excN'ds 25 square miles. (2) rural area:s in humid regions where the
<br />u[)!oltream drainagl-' basin exceeds 100 square mile!'>. (3) rural areas in semiarid regions whe-re
<br />the upstream drainagp basin eHeeds 2.50 square miles. and (4) smaller drainage basin.<;;.
<br />depending on topography and potential use of the flood plains.
<br />The K9th Congress. in House Document 4115. recommend€'d the preparation of flood.prone
<br />area maps to assi"t in minimizing flood IOHs('s by quickly identifying the areaA of potential
<br />Oood hazards. More detailed fl(Kld information may be required for other purposes !'lUch
<br />as structural designs, pconomie studif'::l. or formulation of land. UHf' rt:'E{ulations. Such de~
<br />tailed information may be ohtained from the U.S. Geological Survey, other Federal agencies.
<br />or ~tatf', Incal. and private agencie~,
<br />
<br />(MERINO SWI
<br />5364 IV SW
<br />
<br />'33
<br />
<br />'32
<br />
<br />EXPLANATION
<br />
<br />";.
<br />,,~
<br />vl5'-?.....
<br />."1-
<br />'LO
<br />>S''I!'\S'~
<br />
<br />SCALE 1:24000
<br />o
<br />~----:.'3:'
<br />1 000 2000
<br />-
<br />
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<br />'" ,.
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<br />==r-:::t=~------=1
<br />WOO 0
<br />~.................
<br />
<br />1 MILE
<br />~
<br />7000 rEn
<br />
<br />Flood houndari('s were e8timatRd from:
<br />Regional sta~e-frequency relation~.
<br />
<br />6000
<br />.....-- ~
<br />
<br />JOOO
<br />
<br />4000
<br />
<br />5000
<br />
<br />I KILOMETER
<br />~
<br />
<br />I .5 0
<br />~.._.. O--.l..-.-~" ...
<br />
<br />EJ
<br />
<br />MESSEX. COLO,
<br />
<br />N4022.5. WI 0322, 5/7, 5
<br />Base by U.S. Geological Survey
<br />1951
<br />
<br />CONTOUR 'NTERVAl 10 FEET
<br />DATUM IS MEAN SEA lEVEl.
<br />This work was performed by the U.S. Geologica! 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 />QU"DRANGlE LOCATION
<br />
<br />l.~IIEO RE'o"S'ON 1911
<br />
<br />1974
<br />
<br />-
<br />
<br />-
<br />
<br />7276
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