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<br />Field Variable Value <br /> <br />o <br /> <br />GS <br /> <br />IA <br /> <br />1 <br /> <br />OFF <br /> <br />+ <br /> <br />2 <br /> <br />PC <br /> <br />+ <br /> <br />Description <br /> <br />Record identification characters <br /> <br />Geometric mean diameter of the smallest size fra- <br />ction in mn <br /> <br />Fraction of bed material in this size range <br /> <br />Continue with other OFF's and PC's. <br /> <br />Xl Record <br /> <br />This record is required for each cross section (100 cross sections can <br />be used for the study reach); it is used to specify the cross-sectional geo- <br />metry and program options applicable to that cross-section. Cross sections <br />are arranged in sequential order starting from downstream. <br /> <br />Field Variable Value <br /> <br />o <br /> <br />IA <br /> <br />Xl <br /> <br />1 <br /> <br />SEClro <br /> <br />+ <br /> <br />2 <br /> <br />NP <br /> <br />+ <br /> <br />7 <br /> <br />OX <br /> <br />+ <br /> <br />8 <br /> <br />YFAC <br /> <br />o <br /> <br />Description <br /> <br />Record identification characters <br /> <br />Original section number from the map <br /> <br />Total number of stations or points on the next GR <br />records for current cross section <br /> <br />Length of reach between current cross section and <br />next downstream section along the thalweg, in feet <br />or meters <br /> <br />Cross-section stations are not modified by the <br />factor YF1\C. <br /> <br />+ Factor by which all cross-section stations are <br />multiplied to increase or decrease area. It also <br />multiplies YC1, YC2 and CpC in the XF record. <br /> <br />XI!' Record <br /> <br />This is an optional record used to specify special features of a cross <br />section. <br /> <br />Field Variable Value <br /> <br />o <br /> <br />IA <br /> <br />G4 <br /> <br />Description <br /> <br />Record identification characters <br />30 <br />