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<br />1769 <br /> <br />CONVERSION FACTORS <br />. <br /> <br />fool(ft) <br /> <br />By To obtain metric units <br />0.02832 cubic meter per second <br />0.3048 meter <br />25.4 millimeter <br />1.609 kilometer <br />1,233 cubic meter <br />2.590 squan: kilometer <br /> <br />Multiply Inc/1-j>aund units <br /> <br />cubic fool per second (fills) <br /> <br />inch (in.) <br /> <br />mile (mi) <br /> <br />acre. fOOl (acre.ft) <br /> <br />square mile (mi2) <br /> <br />Degree Celsius (oC) may be converted to degree Fahrenheit (oF) by using the following equation: <br /> <br />OF = 9/5 eC) + 32. <br /> <br />. Degree F3hrCnheit eF) may be converted to degree Celsius eC) by using the following equation:' <br />oC = 5/9 COF-32). <br /> <br />Sea level: In this report "sea level" ref= 10 the National Geodetic Vertical Datum of1929 (NGVD of I 929)-a geodetic datum derived ITom <br /> <br />a general adjusanenl of the first-order level nets of both the Uniled Stales and Canada, fonnerly called Sea Level Datum of 1929. <br /> <br />.\,:;-..... ~......~...:;:,~~..~:'7;'l.'''''&~:' ~ <br />.',:110 r.' :::av:::'. 0"" ,':' ::r. ~ . . ..~. i. \" <br />~~~~~) ~ ~G~~ ~;;r.'tS~ <br /> <br />~~i~1k~:~X <br /> <br />Sl.!bject to Ravision <br />D':; NOT QUOTE OR RELEASE <br />r~mding Approvel by Director, <br />U.S. Geological Sur(ai' <br /> <br />. <br /> <br />. <br /> <br />CONTENTS <br /> <br />IX <br />