Wendell Haag, a research fisheries biologist with the U.S. Forest Service, places a concrete silo housing baby mussels into the Clarion River in June 2021.
photos: Louis B. Ruediger | Tribune-Review
Wendell Haag, a research fisheries biologist from the U.S. Forest Service, holds a concrete silo used as housing for Juvenal mussels in the Tionesta River in June 2021.
photos: Louis B. Ruediger | Tribune-Review
A cluster of baby mussels about to be placed in the Tionesta River in June 2021.