Oregon Field GuideFreshwater Mussels Of The WillametteBy Ed Jahn (OPB)Feb. 16, 2018 2:49 a.m.A large population of native freshwater mussels has been found thriving in an urban stretch of the Willamette. But what do they really tell us about the health of the river?THANKS TO OUR SPONSOR:Become a SponsorTHANKS TO OUR SPONSOR:Become a SponsorTHANKS TO OUR SPONSOR:Become a Sponsor📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up
