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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />VI. FLOODPLAI:\ A.'iD FLOODW A Y ~IAPPI;-';G <br /> <br />Floodplains for the I DO-year (I-percent annual chance) event for the South Plane River <br />were delineated as shov.n on the floodplain work maps provided on Sheets 1 through 23 included <br />in Appendix H. The boundaries associated with the I-foot floodway were also delineated on the <br />floodplain work maps. For reasons described in Section 4.6. at many locations throughout the <br />study reaches. the tloodway is coincident or nearly coincident with the lOO-year floodplain. <br />An electronic copy of the floodplain work maps (in AmoCAD 2004 format) are provided <br />on the CD included with this report. Commensurate ""ith the topographic work map prepared for <br />this study. the floodplain and tloodway boundaries provided in the electronic mapping file are <br />located horizontally based on the North American Datum of 1983 using the State Plane Colorado <br />Central projection. <br /> <br />COC\\'CB03_So11th Plane_report do<: <br /> <br />" <br /> <br />A"dERSO' eov.llTi"G E'Gi'H1~. he. <br />