alewife atlantic ocean bp bowfin canada carp catfish chicago chicago river chicago tribune chicago beaches chinook salmon coho salmon coriolis effect croatia door peninsula drainage basin duck lake state park dune ferry florida geographic coordinate system grand haven state park grand mere state park grand traverse bay great lakes great lakes areas of concern great lakes commission great lakes waterway great lakes census statistical areas great recycling and northern development canal gulf of mexico harrington beach state park hiawatha national forest ho-chunk hoffmaster state park holland state park hopewell tradition illinois illinois beach state park indiana indiana dunes national lakeshore indiana dunes state park industry international boundary waters treaty jacques marquette jardine water purification plant jean nicolet lake lake erie lake express lake huron lake michigan-huron lake ontario lake superior lake retention time lake trout lamprey largemouth bass leelanau peninsula little bay de noc little traverse bay louis jolliet ludington state park mackinac bridge menominee michigan michigan islands national wildlife refuge mississippi river muskegon state park national park service newport state park north america north manitou island northern michigan orchard beach state park pacific ocean panfish peninsula state park petoskey stone pollution port washington potawatomi quartz saint lawrence river santo domingo saugatuck dunes state park singing sand skyline sleeping bear dunes national lakeshore smallmouth bass south manitou island steel mill straits of mackinac texas third coast tourism united states warren dunes state park waugoshance light wikimedia commons wisconsin woodland period yellow perch