Mercury Research Discussed at Next River Talk
The River Talk series wraps up for the season with a talk about mercury research in the St. Louis River Estuary. On Wed. April 12, 7 p.m. at Barker’s Waterfront Grille (Barker’s Island Inn, 300 Marina Dr., Superior, Wis.), Nate Johnson, University of Minnesota Duluth, will present, “Why do Fish in Some Lakes and Streams Have Unsafe Levels of Mercury and Fish in Others Don’t?”