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Chicago Sun-Times
Chicago Sun-Times
National
Dale Bowman

Lake Michigan reef mapping is making advances

Illinois Lake Michigan Indiana
A 3D image, made by the Illinois Natural History Survey, of Julian’s Reef off Lake Forest/Highland Park on Lake Michigan. (Illinois Natural History Survey)

Julian’s Reef, that protrusion on the Lake Michigan floor off Lake Forest and Highland Park, has been the primary stocking site for lake trout in Illinois waters since 1981.

Around 2009-11, increased findings of wild lakers began, said William Stacy-Duffy, aquatic ecologist with the Illinois Natural History Survey at the Lake Michigan Biological Station in Zion. Over the past decade, Illinois has highest proportion of wild lakers lakewide on Lake Michigan, something anglers do not find surprising.

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