Anna River Culvert Replacement Project Sedimentation control using polymer enhanced best management practices Applied Polymer Systems, Inc. Steven Iwinski Anna River Culvert Replacement Project 1 The Anna River culvert replacement project was carried out in the fall of 2010. The Anna River is 7.1 miles long and is located in Alger County just southeast of Munising in Michigan’s Upper Peninsula. An old metal culvert on Perc

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