The U.S. Fish and Wildlife Service, Idaho Fishery Resource Office (IFRO) was originally established in 1981. Along with the Idaho Fish Health Center, Dworshak National Fish Hatchery, and Kooskia National Fish Hatchery. The IFRO is part of the Dworshak Fisheries Complex and is located on the grounds of Dworshak National Fish Hatchery, Ahsahka, Idaho. This facility is located approximately 40 miles upstream of the Snake-Clearwater River confluence at Lewiston, Idaho.