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<br />, <br />. , <br />. <br /> <br />, <br />, <br />, <br />{ <br /> <br />""-<> <br />...."9''''k <br />.,,"'oJ' <br />"'".", <br />Q-<> <br />~~ <br />1-". <br /> <br />UNITED STATES <br />DEPARTMENT OF THE INTERIOR <br />GEOLOGICAL SURVEY <br /> <br />MAP OF FLOOD-PRONE AREAS <br /> <br />104'37'30" <br />37'15' . <br /> <br />4122"""m.N. <br /> <br />,I <br /> <br />534000m.[, <br />C::::J 'fA'><'oo <br />~V <br /> <br />R65 W. <br /> <br />R.64 W. <br /> <br />~ ,,'1\ <br /> <br />6L .~ <br /> <br />'" <br /> <br />== <br /> <br />'2- <br />,0 <br />/ <br />'UNit e. <br />.~!i< ~ <br />,))~! f' <br />,~ <br /> <br />~ <br />~~ <br />~~2) <br /> <br />~ <br /> <br />,0 <br /> <br />~" 0, <br />" . <br />..- <br />"\\\ '-- <br /> <br />~ <br />-~~ <br /> <br />I!J. <br /> <br />'-'Or <br /> <br />- ~( <br /> <br />T. <br /> <br />" <br /> <br />~ ~ <br />~~1 <br /> <br />37'07'30' ~ <br />104'37'30" <br /> <br />10' <br />0'" <br />~v <br />,~ <br /> <br />The purpose of the flood-prone area maps is to show to administrators. planners, and <br />engineers concerned with future land developments those areas that are subject to flooding. <br />The U.S. Geological Survey was requested by the 89th Congress to prepare these maps as <br />expressed in House Document 465. The flood-prone areas have been delineated by the <br />Geological Survey on the basis of readily available information. <br />Flood-prone area maps were delineated for those areas that meet the following criteria: <br />(1) Urban areas where the upstream drainage area exceeds 25 square miles, (2) rural areas <br />in humid regions where the upstream drainage area exceeds 100 square miles, and (3) rural <br />areas in semiarid regions where the upstream drainage area exceeds 250 square miles. <br />The flood-prone areas shown on this map have a 1 in 100 chance on the average of being <br />inundated during any year. Flood areas have been delineated without consideration of <br />present or future flood-control storage that may reduce flood levels. <br />Flood-hazard reports provide the detailed flood information that is needed for economic <br />studies, for formulating zoning regulations, and for setting design criteria to minimize <br />future flood losses. When detailed infonnation, such as that contained in the flood-hazaro <br />r#ports, is required, contact the U.S. Army, Corps of Engineers; the U.S. Geological Survey; <br />or the Tennessee Valley Authority in the areas of their jurisdiction. <br /> <br />1 <br />, <br /> <br />1000 0 <br />>---<........ >---< <br /> <br />1000 <br /> <br />1 , <br />>----< ............... ............... <br /> <br />SCALE 1:24000 <br /> <br />o <br /> <br />1 MILE <br /> <br />2000 <br /> <br />3000 <br /> <br />5000 <br /> <br />7000 FEET <br />, <br /> <br />4000 <br /> <br />6000 <br /> <br />o <br /> <br />1 KILOMETER <br /> <br />.....-... 0---< <br /> <br />CONTOUR INTERVAL 20 FEET <br />DATUM IS MEAN SEA LEVEL <br /> <br />COLORADO <br /> <br />QUADRANGLE LOCATION <br /> <br />1970 <br /> <br />TRINIDAD QUADRANGLE <br />COLORADO-LAS ANIMAS CO. <br />7.5 MINUTE SERIES (TOPOGRAPHIC) <br /> <br />EXPLANATION <br /> <br />Flood boundaries were estimated from: <br />Regional stage-frequency relations. <br /> <br />. <br /> <br />TRINIDAD, COLO. <br /> <br />Base by U.S. Geological Survey <br /> <br />1951 <br /> <br />7256 <br /> <br />,f' <br />.\'}9 <br /><- <br />11-0 <br />~o <br />,,"v <br /> <br />30" <br />2 S. <br /> <br />3S. <br /> <br />.... <br /><"" <br />0"'0 <br />'. <br />.~..,.. <br />~ <br />