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<br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />Colorado Watf!r Conservation Board <br />Flood Control and Floodplain Management Section <br /> <br />,=, Detail- Rule 5 <br /> <br />CHECKLIST FOR REVIEW OF FLOODPLAIN INFORMATION <br /> <br />A, Topographic Base Mapping <br /> <br />1. <br /> <br />Work Map Type: <br /> <br />2. <br /> <br />Features: <br /> <br />a, <br />b, <br />c, <br />d, <br />e, <br /> <br />3, Ground Control: <br /> <br />4, Contour Interval: "-- <br />5, Scale: X <br />6, Spot Elevations: >< <br /> X <br />7, Cross Sections: I( <br /> '>< <br /> ><' <br /> X. <br /> .'" <br /> K <br /> 'X <br /> ,x; <br /> <br />x <br /> <br />-6- <br /> <br />I~' Approximate - Rule 6 <br /> <br />~ <br /> <br />line <br />orthophoto <br />recti Fied photo <br />USGS quad map <br />date 01' photo <br />date 01' map <br />prepared by <br /> <br />natural, etc. FtlA~~~ <br />cultural, etc, p _ <br />hydrologic, etc, <br />reference, etc. <br />geographic, etc. <br /> <br />w<.u.. <br /> <br />,/ <br /> <br />USC&GS or USGS <br />datum of 1929 <br />other datum <br />number of triangulation stations <br />order 01' leveling <br />control markers on map <br />land surveyor No, <br /> <br />feet fi-PA 0-1 tlP - <br />supplemental contours feet <br /> <br />original scale <br />1 inch equals feet <br />- / <br />1/1- ZOO <br />road intersections J / <br />near buildings (/<-. r7/,105 <br /> <br />)-w" <br /> <br />J <br />Y~~<..UJ 0'. nll!O ~ <br />'[" III" 106 <br /> <br />photogrametric methods <br />from map contours <br />From field surveys <br />perpendicular to flow <br />~t changes in area <br />At changes in gradient <br />at bridges <br />at confluence with tributaries <br />at control sections <br />maximum percent change in E,G,L. slope <br />additional sections needed? <br />shown on work maps - rJlfJ06 <br />shown on published maps <br />