Designation of Critical Habitat for Oregon Chub (Oregonichthys crameri): Final rule.

We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for the Oregon chub (Oregonichthys crameri) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 53 hectares (ha) (132 acres (ac)) located in Benton, Lane, Linn, and Marion Counties, Oregon, fall within the boundaries of the critical habitat designation.