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<br />FORT LUPTON QUADRANGLE
<br />COLORADO
<br />7.5 MINUTE SERIES (TOPOGRAPHIC)
<br />104'45'
<br />40'07'30"
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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />I
<br />
<br />MAP OF FLOOD-PRONE AREAS
<br />
<br />.
<br />
<br />23
<br />
<br />5064 /J! NE !
<br />515 (Pl..A TTE:VILL€) T
<br />"'i",~'""~ r-_~-
<br />
<br />,.",~~./~ .. .
<br />
<br />. 19 @
<br />
<br />6Rt:fZLE.Y 2J MI.
<br />PLA TTE.YILLE 6.2 MI.
<br />
<br />'j7
<br />
<br />'19
<br />
<br />'10
<br />
<br />104.52'30"
<br />40'07'30"
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<br />.
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<br />~-440
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<br />"40
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<br />-------'
<br />
<br />"3\1
<br />
<br />~',.
<br />
<br />"39
<br />
<br />280 000
<br />FEET
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<br />.
<br />.
<br />
<br />-44)8
<br />
<br />-4-438
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<br />"37
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<br />4,498 -
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<br />
<br />-4433
<br />
<br />1
<br />
<br />2'30"
<br />
<br />"32
<br />
<br />"32
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<br />,.
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<br />~dependence ~
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<br />50~"
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<br />o. t
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<br />"30
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<br />
<br />250000
<br />FEET
<br />
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<br />4~29
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<br />"28 \
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<br />T, I N, \ W~D CO .' ~
<br />T. I S. l -2:l. ADA
<br />40'00' '13
<br />104 '52'30"
<br />V Approximatf' boundariel' of f1o()d~prone areas are shown on this map. There is, on the
<br />'i'"-f-:;. averag-e, about 1 chance in 100 thnt the dl'8ignated areas will be inundah~d in any year.
<br />'iJ~ ~..j ~ This information is important to public agencies and private citizens concerned v.:ith future
<br />~t'- otr' land developments.
<br />\,: fj ThE' flo(ul.prone areas have Iwen delineated through use of readily a\'ailable informa-
<br />tion on past floods rather than from dt!tailed field surv('ys and inspections. In general.
<br />tht.~ delint>-ated areas are for natural conditions and do not take into consideration the poo-
<br />~ihle pfft>ctR of t'xistinJZ or propol;ed f1fl()(i ('ontrol structures except where those effectR
<br />could he e,,'aluated. Flood area~ have b(!f:'11 idt'ntifit.t! for: (1) urban areas where the up~
<br />~tn'am drainage basin exceeds 2." square milt~s, (2) rural areas in humid regions where the
<br />upstream draina~e basin pxc('eds 100 Hquart' mile:'>, (3) rural areas in J'lemiarid regions wht!re
<br />tht, upstream drainage hasin excet.ds 2;10 8quan~ miles, and (4) smallE'r drainage basin:-;,
<br />dt'lwnding on topo~raphy ann potential use of the flood pilling.
<br />The ~!nh Cungress. in House Document 4tiS, recommendt'd the preparation of flood.pr()nt~
<br />area mllps to assist in minimizin~ flood losses b:.' quickly itlentifying the areas of pott'ntiaI
<br />flood hazards. More detailed flood informatinn lOay be required for other purposes such
<br />as structural de~igns, economic gtudies, or formulation of land-w~e rt'gulatj()m~. Such de~
<br />tailed information may be obtained from the U.S. Geological Survey, other Federal agencies,
<br />or Statp, local, and private agendeK.
<br />
<br />--. - -:.
<br /> l'
<br />iID I
<br />,I
<br /> I
<br />
<br />BRIGHTON I MI,
<br />DE.NVE.R (CAPITOU 30 MI.
<br />
<br />(BRIGHTON)
<br />5063 IV NE:
<br />
<br />'17
<br />
<br />47'30"
<br />
<br />~18
<br />
<br />. ,N1EIUOR GEOLOGICAL SUfi'll!!"'. W"&I-I''''G'I'"ON. 0 c:.'
<br />
<br />'20
<br />
<br />M 5;003 T, 1 N.
<br />TIS
<br />'21-[, 40'00'
<br />104.45'
<br />
<br />_....:.....--:..~----L!!
<br />
<br />'14 50' R, 67 W. R, 66 W
<br />
<br />I
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<br />t
<br />
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<br />
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<br />_no. ._
<br />
<br />1 MILE
<br />
<br />EXPLANATION
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<br />";.
<br />'<"",
<br />"'o~
<br />-(J'.....Q-\.
<br />"''1-<,.
<br />"''''
<br />"'<to
<br />
<br />I
<br />.
<br />
<br />SCALE 1:24000
<br />
<br />.=-.
<br />
<br />3000 4000 500)
<br />~
<br />
<br />6000
<br />
<br />7000 fEET
<br />
<br />[:J
<br />
<br />Flood boundaries were estimated from:
<br />Regional sta~-frequency relations.
<br />
<br />1000 0
<br />t::::::::I...,.-l:::"'"
<br />
<br />1000 lOOO
<br />
<br />1 .5 0
<br />E3::.~.c=:t-..--..-=_~~.
<br />
<br />1 KILOMETER
<br />
<br />I
<br />
<br />CONTOUR INTERVAL 10 FEET
<br />DATUM IS MEA.N 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 />QUADRANGLE LOCATION
<br />
<br />FORT LU PTON, COLO,
<br />N4000-W1044517.5
<br />Base by U.S. Geological Survey
<br />1949
<br />PHOTOREVISEO 1969
<br />
<br />I
<br />I
<br />I
<br />I
<br />I
<br />
<br />.
<br />
<br />1974
<br />
<br />-I
<br />
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