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<br />. <br /> <br />Colorado Wal.nr Conservation Board <br />Flood Control and Floodplain Management Section <br /> <br />CHECKLIST FOR REVIEW OF FLOODPLAIN INFORMATION <br /> <br />2. Features: a. / <br /> b. ,/" <br /> c. ./ <br /> d. <br /> e. <br />3. Ground Control: <br /> <br />1===1 Detail- Rule 5 <br /> <br />A. Topographic Base Mapping <br /> <br />1. Work Map Type: <br /> <br />. <br /> <br />4. <br /> <br />Contour Interval: <br /> <br />5. Scale: <br /> <br />6. Spot Elevations: <br /> <br />7. Cross Sections: <br /> <br />. <br /> <br />./ <br /> <br />~ <br />,/ <br />./ <br />../ <br />./ <br />v <br />./ <br />./ / <br />:;; <br />t/ <br />,/" <br />,/' <br />,/ <br />-6- <br /> <br />1====1 Approximate - Rule 6 <br /> <br />line <br />orthophoto <br />recti fied photo <br />USGS quad map <br />date of photo <br />date of map <br />prepared by <br /> <br />natural, etc. <br />cultural, etc. <br />hydrologic, etc. <br />reference, etc. <br />geographic, etc. <br /> <br />USC&GS or USGS <br />datum of 1929 <br />other datum <br />number of triangulation stations <br />order of leveling <br />contrt,l markers on map <br />land surveyor No, <br /> <br />feet <br />supplemental contours feet <br /> <br />original scale <br />1 inch equals ~ feet <br /> <br />road intersections <br />near buildings <br /> <br />photogrametric methods <br />from map contours <br />from field surveys <br />perpendicular to flow <br />at 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 <br />shown on published maps <br />