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<br />~ <br />.....00'.... <br />< " <br />"'"" <br />-s-"',,- <br />o <br /> <br />UNITED STATES <br />DEPARTMENT OF THE INTERIOR <br />GEOLOGICAL SURVEY <br /> <br />MAP OF FLOOD-PRONE AREAS <br /> <br />MONTROSE EAST QUADRANGLE <br />COLORADO-MONTROSE CO <br />7.5 MINUTE SERIES (TOPOGRAPHIC) <br />107'45' <br />38030' <br /> <br />.. 0'" <br />':t/)\O <br />" ~ <br />b' ~ <br />~~ tV <br /><<-,1- <br />,0 <br /> <br /> <br />107'52'30" <br />38030' <br /> <br />Z5QOOOm E. <br /> <br />r <br /> <br />~~ <br /> <br />_ ------k5796./ ~ <br />221 CS; <br />/ ,L_ <br />.f q J;F <br />Ii} <br />Ii! <br /> <br />( <br /> <br />'51 <br /> <br />;iB44 '(~~B =,/'l'l'l <br /> <br />'. <br />'I <br />V <br />" Radio St3 <br />_ (KUBt) <br /> <br />5407 <br /> <br />"61 <br /> <br />59.40 <br /> <br />8 <br /> <br />9 <br />I 52!.9------T--i\ <br />I : <br />I : <br />I : <br />~----p , <br />I <br />I <br />I <br />I <br />I <br /> <br />5970 <br /> <br />"57 I <br />D <br />~.:."I <br /> <br />"56 <br /> <br />25' <br /> <br />38'2230' <br />lOr52'30wl 1320000 FEET 1250 251 <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 public 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 />sible effects of existing or proposed flood control structures except 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 regions where 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 flood-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 purposes such <br />as structural designs, economic studies, 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 />, <br />, <br /> <br />SCALE 1 24000 <br />o <br /> <br />1 MILE <br /> <br />EXPLANATION <br /> <br />CONTOUR INTERVAL 20 FEET <br />DATUM IS NlAN SEA LEVEL <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 />o U S Route <br /> <br />'<s> <br />"'0 <br />'i- <br />~-s-o <br />"0'0 '?'1,- <br />....<$'4:-<..7 <br />1-.,- <br />"'> <br /> <br />1000 0 <br /> <br />1000 <br /> <br />2000 <br /> <br />3000 <br /> <br />4000 <br /> <br />5000 <br /> <br />6CDO <br /> <br />7000 FEET <br /> <br />Flood boundaries were estimated from: <br />Regional stage-frequency relations. <br /> <br />I-----< I-----< I-----< <br /> <br />o <br /> <br />1 KILCMETER <br /> <br />~ <br /> <br />I----< I----< I----< I----< <br /> <br />COLORADO <br /> <br />. <br /> <br />QUADRANGLE LOCA.TIQN <br /> <br />MONTROSE EAST. COLO. <br />N3822 5-W10745/7 5 <br />Base by U.S. Geological Survey <br />1962 <br /> <br />1973 <br />