The Harpersfield Dam on the Grand River in Ohio Serves as a Barrier to Sea Lamprey Migration.

---

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

Keywords: .., adult, barriers, fish, forest, historic, invasive, invasivespecies, lamprey, midwestregion, national, park, region3, sea, sealamprey, service, slc, species, usa, usfishandwildlifeservice, usfws, wildlife