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<br />r, <br /> <br /> <br />r;- Existing Dike <br /> <br /> <br />/ \ <br /> <br /> <br />roposed Setback Dike <br /> <br />\ <br /> <br />Exlsting~_ \ <br />River Channel ~ <br /> <br />lI2!n:. <br />1. Pool sections are deeper and wider <br />2. Locetion of new channel varies <br />across floodplain <br />3. Setback dikes required In some <br />locetlons to contain 10o-year <br />discharge <br />4. Existing dlk9s retained In some <br />locations <br />5. Existing channel can be filled or <br />retained for wetland development <br /> <br />Abandoned <br />Channel <br />(See Note 5) <br /> <br /> <br />L Proposed River Channel <br /> <br />Cross-Section View of <br />Proposed Action <br />(Riverine Habitat Restoration) <br />(Riffle Section) <br /> <br />Scale: <br />1 in. = 50 ft Horizontal <br />1 in. = 10 ft Vertical <br /> <br /> <br />Existing or <br />Proposed Dike <br /> <br />\ <br />\ <br />\ <br />\ <br />\ <br />'---- <br /> <br />I <br />I <br />I <br />125 cfs I Proposed River Channel <br />,'- . <br />----~' - "- Existing River Channel <br /> <br />lI2!n:. <br />1. Pool sections are deeper and wider <br />2. In some locations, dikes are <br />relocated to setback positions within <br />existing easements <br />3. Dikes contain 100-Y9ar discharge <br /> <br />Cross-Section View of <br />Existing Channel Modification Alternative <br />(Riffle Section) <br /> <br />Scale: <br />1 In. = 50 ft Horizontal <br />1 in. = 10 ft Vertical <br /> <br />Figure Z. '. <br />Schematic River Cross-SectIon <br />