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<br />- <br /> <br />MANN~NG 's <br /> <br />EQUAT.J:ON - . ; <br />(j IJi'io (" n <br /> <br />Rot..? (Of I",!:);/? '.S <br /> <br />v ~ <br /> <br />/, 48~ R 0/3 S ,,~ <br />h 0 <br /> <br />whe.".e : <br />V ve.IOc.it~ . feet neo nd. <br />- tneQ.1'\, In pe.r <br />h - MQ.1'\nin~s Y'oLC.~hne.ss Coe. ftic.ient <br />R I-l ~ d '('Q.14.1 ic. ro.d ; \45 A <br />= - - <br /> 1> <br /> 0'\ .flow . <br />A = Cross sechoY\. Q, reo.. U'\ <br /> S,.lA.o.'C"e.. fe.e.t <br />p -= We.fte.ol . pen\'1'\e.te..r of flow , <br /> Q.re.Q. In <br /> -b.t <br />., <br />So Slope. of cha.nne.1 bed , tee.. t <br /> = 11'\ <br /> P e.'(" foot <br /> <br />~ <br />