A diver holds up a rare mussel found in the Mississippi River.
A diver holds up a rare mussel from a joint mussel survey conducted by the US Fish and Wildlife Service, Minnesota Department of Natural Resources, and National Park Service. The survey was held in Pool 2 below the Ford Dam.
U.S. National Park Service
Permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this website. Digital assets without any copyright restrictions are public domain.
NPS - Mississippi National River and Recreation Area