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<br />. <br /> <br />Colorado Wat",,, Conservation Boar'd <br />Flood Control and Floodplain Management Section <br /> <br />'-_I Detail- RlJle 5 <br /> <br />CHECKLIST FOR REVIEW OF FLOODPl.AIN INFORMATION <br /> <br />A. Topographic Base Mapping <br /> <br />1. Work Map Type: <br /> <br />2. Features: <br /> <br />3. <br /> <br />Ground Contro I: <br /> <br />. <br /> <br />4. Contour Interval: <br /> <br />5. <br /> <br />Scale: <br /> <br />6. <br /> <br />Spot Elevations: <br /> <br />7. <br /> <br />Cross Sections: <br /> <br />. <br /> <br />(&o~e) <br /> <br /> ) line <br /> ---- orthophoto <br /> -"- <br /> _.~- rectified photo <br /> ---- USGS quad map <br /> date of photo <br /> date of map <br /> prepared by <br />a. j natural, t~tc . <br />-- <br />b. J cultural, etc. <br />c. -+ hydrologic, etc. <br />d. reference J etc. <br />e. j geographic, etc. <br /> <br />,-7"'""1 Approximate - Rule 6 <br /> <br />.J <br /> <br />USC&GS or USGS <br />datum of 1929 <br />other datum <br />number of triangulation stations <br />order of lelleling <br />control markers on map <br />land surlleyor No. <br /> <br />_.2. feet <br />supplemental contours feet <br /> <br />bo th t <br /> <br />./ <br />./ <br />i/ <br />./ <br />J <br />./ <br />./ <br />./ <br /> <br />J <br />_L <br /> <br />-6-. <br /> <br />I <br /> <br />original scale <br />1 inch equals 20D <br /> <br />feet (re.Jvcec.l 1'""0,,< l'~ <br />to 0 Feet) <br />(S1;)......e l<{.=-too fe:et- TedlKeIJ <br />'fro......... t "=-'5'0 feet) <br /> <br />,j <br /> <br />road intersections <br />near buildings <br /> <br />photogr'ametric 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 pel^cent change in E.G.l.. slope <br />addi tional sections n(H.,ded? <br />shown on work maps <br />shown on published maps <br />