The Bangor Daily News covered a Penobscot River rafting trip by University of Maine researchers and students who are noting changes in the waterway by using sonar technology to study the riverbed. “Primarily, we’re interested in the structure of the bottom of the Penobscot River and the changes to that bottom as a result of
read more UMaine Researchers Raft Down Penobscot River to Study Changes, BDN Reports