Midwest Regional Director Tom Melius holds a monkeyface mussel

---

Size: 1369px × 1825px
Photo credit: © NatPar Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: croix, forest, historic, midwest, minnesota, mn, mussel, mussels, national, park, river, rivers, service, st., stcroix, usa, wi, wildlife, wisconsin