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<br />CONTENTS <br /> <br />. <br /> <br />Introduction-------~--------------------------------------------------------- <br />Entry of cross-section data into computer------------------------------------ <br />Computation methods---------------------------------------------------------- <br />Selected references---------------------------------------------------------- <br />Backwater analysis coding form----------------------------------------------- <br />Computer printouts of card images of cross-sect.ion data for streams in Elbert <br />County, Colorado----------------------------------------------------------- <br />Computer printouts of cross-section properties at two cross sections on West <br />Bijou Creek---------------------------------------------------------------- <br />Sample computations of 100-year flood values at two cross sections on West <br />Bijou Creek-------~-------------------------------------------------------- <br /> <br />IllUSTRATIONS <br /> <br />, <br /> <br />Page <br /> <br />Figure 1. <br /> <br />Cross-section 89, stations 200-2585, West Bijou Creek at Arapahoe- <br />Elbert County line, Colo---------------------------------------- <br />Diagram Showing method used to sketch flood-prone area boundaries- <br /> <br />5 <br />6 <br /> <br />2. <br /> <br />METRIC CONVERSIONS' <br /> <br />Inch-pound units used in this report may be converted to metric SI (Interna- <br />tional System) units by the following factors: <br /> <br />MuZtiply <br /> <br />cubic foot (ft3) <br />cubic foot per second (ft3/s) <br />foot (ft) <br />foot per mile (ft/mi) <br />foot per second <br />inch (in.) <br />mile (mil <br />square mile (mi2) <br /> <br />By <br /> <br />To obtain <br /> <br />~ <br /> <br />0.02832 <br />0.02832 <br />0.3048 <br />0.1894 <br />0.3048 <br />25.40 <br />1.609 <br />2.590 <br /> <br />cubic meter <br />cubic meter per second <br />meter <br />meter per kilometer <br />meter per second <br />millimeter <br />ki lometer <br />square kilometer <br /> <br />, <br /> <br />, <br />National Geodetio Vertical Datwn of 1929 (NGVD of 1929): A geodet i c datum <br />derived from a general adjustment of the first-order level nets of both the United <br />States and Canada, formerly called "Mean Sea Level." NGVD of 1929 is referred to <br />as sea level in this report. <br /> <br />III <br />