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<br />Nemorandum <br />November 22, 1978 <br />Page 4 <br /> <br />24. (Culvert Ratings). Please show sample calculation for at least <br />(me culvert and include copies of typical nomogroaphs or ot,her <br />devices. We understand that culvert ra1:ing calculations ,,'ere <br />done by computer program but desire to see solution details for <br />at least one example. <br /> <br />25. (profiles). The final report shall show the thalweg as determined <br />from the digitized cross-sections but may be supplemented with <br />elevations taken from the maps for those areas between the cross- <br />sections where changes in channel slope were not anticipat,ed. <br /> <br />26. (Flooded Area Maps). Our interoretation of the flooded area <br />boundaries from station 280+00 to "360+00 on Cedar Creek are not in <br />agreement with the draft (see enclosed maps). The rest of the <br />Cedar Creek floodplain appears to be confined to the channel and <br />:,s satisfactory. Flooded area boundaries for Montrose Arroyo and <br />Dry Cedar Creek have not been checked in detail. <br /> <br />lYPS:mw <br /> <br />I <br />