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3. Dredaed Materials <br />FIGURE 3-2. Illustration of the Dredged Materials Disposal Concept <br />Dredge material placement strategy to extend Marina life. Each step is only taken if there <br />is no other project requiring fill to create wetlands or for other uses that would either pay <br />for dredging or purchase dredged materials. <br />Place dredge materials within Marina to <br />create wetlands (see three alternatives) in <br />the North Basin. Estimated material <br />89,000 cubic yards (1 dredge cycle over a 4 <br />year period) <br />Place dredge materials to create wetlands <br />and a canoe/kayak water trail within the <br />South Basin. Estimated material 204,000 <br />cubic yards (2 dredge cycles over an 8 year <br />period) <br />Place dredge materials to create permanent <br />seasonal wetland area at the DMMS site. <br />San Leandro Marina Harbor Basin 3-4 ESA / 210461 <br />Alternatives Study March 2011 <br />