Lake Roosevelt Rainbow Tr Hab/Pass Impr Prog Fish Passage Improvement; Instream Habitat; Riparian Habitat; Upland Habitat And Sediment; Water Quality Project IDBPA_199001800_2Recovery Domains - Start Date - End Date - StatusCompletedLast Edited08/27/2020 1 - 1 Description The Lake Roosevelt Rainbow Trout Habitat/Passage Improvement Project is a resident fish substitution project to mitigate for anadromous fish losses above Chief Joseph and Grand Coulee Dams. The goal of the project is to increase natural production.