Tracking Muskellunge in the St. Louis River Estuary
University of Minnesota graduate student Erin Schaeffer holds a muskellunge during her research on the St. Louis River Estuary. Image credit: Erin Schaeffer.
University of Minnesota graduate student Erin Schaeffer holds a muskellunge during her research on the St. Louis River Estuary. Image credit: Erin Schaeffer.