Oregon Field Guide

Freshwater Mussels Of The Willamette

By 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:
THANKS TO OUR SPONSOR:
THANKS TO OUR SPONSOR: