One of the largest known mussel beds on the Willamette River, home to tens of thousands of mollusks that can live for up to a century on the river bottom, appears to be in poor health.
Andrew Theen | The Oregonian/OregonLive, Portland Oregonian: Travel
Thu, 11/02/2017 - 3:27pm
One of the largest known mussel beds on the Willamette River, home to tens of thousands of mollusks that can live for up to a century on the river bottom, appears to be in poor health.