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 SponsorOPB’s First Look newsletterSign up to get important news and culture from around the Northwest, delivered to your inbox six days a week.EmailPlease leave this field blankSign Up
