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<br />
<br />HERMOSA QUADRANGLE
<br />COLORADO-LA PLATA CO.
<br />7.5 MINUTE SERIES (TOPOGRAPHIC)
<br />NE/4 DURANGO 15 OUADRANGLE
<br />
<br />UN ITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />MAP OF FLOOD-PRONE AREAS
<br />
<br />107"5nO" 246-L
<br />37"30'. \__""",,
<br />
<br />. "U59 Ifl SE.
<br />':',ILv!:u~rON J.7 MI t (ELECTRA LAKE}
<br />--, .{ 17TI@ jr ~__, t1 \
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<br />L
<br />
<br />,.}'
<br />
<br />254
<br />/,<P'
<br />
<br />107"45'
<br />37"30'
<br />
<br />'51
<br />
<br />R9W
<br />
<br />R B W
<br />'"
<br />.;
<br />I ~!
<br />,~
<br />"
<br />,..
<br />
<br />310000
<br />FEET
<br />
<br />I
<br />
<br />
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<br />
<br />.-"1:
<br />
<br />,
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<br />
<br />U53
<br />
<br />4IS30001?l.N.
<br />
<br />
<br />D
<br />
<br />I
<br />I
<br />~Quarr
<br />i
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<br />I .::, /
<br />. ,
<br />\ ~t3~6
<br />I \
<br />" )
<br />\ "'~
<br />
<br />4152
<br />
<br />g
<br />~
<br />
<br />,
<br />
<br />.'
<br />
<br />4148
<br />
<br />T 37 N,
<br />
<br />37 N.
<br />
<br />T. 36 N.
<br />
<br />25'
<br />
<br />4144
<br />
<br />4144
<br />
<br />4142
<br />
<br />"
<br />-',
<br />,
<br />I '320 000 fEET \
<br />
<br />414()OOOm.N.
<br />
<br />r-;,
<br />
<br />37"'22'30" 246 DURANGO tV S 1601 ~ MI
<br />107'"5 '30" CORTE.Z (VIA U_S_ 16n1 !S3 MI.
<br />Af)proximah' boundaries of flood~prone are-as are shown on this map. There is, on the
<br />a\'eragt', ahout 1 chanl:c in 100 that the dpsignated areas will be inundated in any year.
<br />This information is important to puhlic a~f'ncies and private citizens concerned with future
<br />land dt'w.lopmpnt~.
<br />The flood. prone areas havt' Let'n delineatf'n throus.rh use of readily available informa~
<br />tion on pa~t floods rather than frtHll detail(.rt field surveys and inspections. In general,
<br />tht> delineah'd art'as are for natural (.ontlitions and on not take into consideration the po.~.
<br />"ible t'ff('cts of pxiHting nf proposed flood control structures except where those effects
<br />could he ('valuated. Flood area.. hav(' bt'(>n identified for: (1) urhan areas whf're the up~
<br />stream drainag'p basin exceeds 25 sq\1are mile~. (2) rural ureas in humid regions whf>re the
<br />up..<;.trt>am rlrainag-t~ baHin ('xcet.'ds 100 >l4uare miles. (3) rural areas in semiarid reg-inns where
<br />tht' upstrt'am drainage basin exceed,. 250 square milt,s, and (4) smaller drainage ba1'>ins,
<br />depending on topography and potential u~e of thf.~ flood plains.
<br />Thf.' K!)th Congress, in House Document 465. r{'comrnended the prpparation of flno/i.prone
<br />area maps to a~~ist in minimizing flood losses by quickly id{'ntifying the areas of pOh>tltial
<br />floud hazards. More detailed flond information may he required for otb~!r purposes such
<br />a!'i structural fI+,'signs, economic sttHli('s. or formulation of land.u!'it, rl>gulati(}m~. Such de~
<br />tailed information may be obtaim'd from tht. U.S. Geological Survey, other Federal agencies,
<br />or State, local, and private agencie~.
<br />
<br />248
<br />
<br />8W
<br />
<br />J MILE
<br />
<br />EXPLANATION
<br />
<br />'1:>
<br />"<-
<br />""~<(<'I$'
<br />.. '"
<br />"'\V~<<.....
<br />
<br />SCALE 124000
<br />t 0
<br />..-~ __L_ -..-.......... >--,.--"' .....-----=---
<br />1000 0 1000 2000 3000 4000
<br />~.:..-:====::::E::::=:"=---... ~
<br />1 5 0
<br />o---t ,____ ......... ~~__
<br />
<br />~'
<br />,,'"
<br />.,t
<br />o ";<~
<br />..;.0\..J
<br />~\>',,'O
<br />v .'
<br />,0
<br />
<br />1
<br />L__._
<br />
<br />6lXX) 7000 FEET
<br />-,
<br />1 KILOMETER
<br />
<br />5000
<br />~
<br />
<br />Flood boundaries were estimatt'd fro'm:
<br />RpgionallStagp.fn>quency relations.
<br />
<br />EJ
<br />
<br />HERMOSA, COLO,
<br />NE/4 DURANGO IS QUADRANGLE
<br />N3722.5- WI0745/7.5
<br />Base by U.S. Geological Survey
<br />1963
<br />
<br />CONTOUR INTERVAL 40 FEET
<br />DOTTED LINES REPRESENT 20.FOOT CONTOURS
<br />DATUM IS MEAN SEA LEVEL
<br />This work was performed by the U.S. Geological 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 />1974
<br />
<br />7254
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