The life-and-death secrets of mussels.
New work by a 2018 artist-in-residence on the St. Croix River celebrates the beauty of a confluence where the waters of two rivers affected by very different human activities meet.
Network of heavy crude pipelines criss-crosses northern Minnesota and Wisconsin, including the St. Croix River headwaters.
There is no closed season for pursuing rocks.
St. Croix River headwaters could be affected by powerful rivers and weak oversight.
Notre Dame biologists study how native fish could be restored to the Namekagon River watershed.