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N 1,,I Ut <br /> TABLE 1 <br /> MANNING'S ROUGHNESS ESTIMATES BASED ON 1987 & 1992 PHOTOS <br /> Lciiot Ct oss S:"ec[iion: oc 1 ion<=":,N Mannings Roughness Coefficient 'n" 1 " v Hx : <br /> s<o ' <br /> um a .. �..>. inN..' .Ne.[ '� 7:cw Z:••v M'+r' N{ f1Cte; v , �-...a.<.,... .... � :4Z; i,m....:,. ..._::;::7:'i: i??';'., M ba tww,...::.._�:.�:.,�,..w�,,,,_�� :, � Osterbank:= ainchannal::.0i+er� rik�w AAalnchannel:.�a es> w<,�, <br /> , <br /> 1 400 ft U.S. of diversion darn 0.035 0.030 0.035 0.040 1984 <br /> 3 & 4 Railroad(SPRR) Bridge 0.035 0.030 0.035 0.040 1984 <br /> Spectra Physics 0.030 0.03D 0.035 0.040 1985 <br /> 10 & 11 Danebo Road Bridge 0.035 0.035 0.045 0.040 1985 <br /> 20 & 21 Beltline Road Bridge 0.035 0.035 0.045 0.045 1985 <br /> 30 & 31 Bertleson Road Bridge 0.035 0.030 0.040 0.040 1985 <br /> 40 & 41 West 11th Ave. Bridge 0.040 0.035 0.030 0.025 1991 <br /> 50 & 51 Bailey Hill Road Bridge 0.045 0.045 0.030 0.025 1991 <br /> 55 Richardson Bridge 0.040 0.040 0.030 0.025 1991 <br /> 60 & 61 Acorn Park St. Bridge 0.045 0.045 0.030 0.025 1990 <br /> 70& 71 Oak Patch Road Bridge 0.045 0.040 0.030 0.030 1990 <br /> 80 & 81 City View St. Bridge 0.040 0.040 0.030 0.030 1990 <br /> 90 & 91 Garfield St. Bridge 0.045 0.035 0.025 0.025 1990 <br /> 100 & 10 Chambers St.Bridge 0.035 0.035 0.030 0.030 1990 <br /> 110 & 11 Polk St. Bridge 0.040 0.040 0.035 0.035 1989 <br />