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EIS-0246-SA-33: Supplement Analysis

Wildlife Mitigation Program, Flathead County, Montana

Bonneville Power Administration is proposing to fund a fish barrier project with Montana Fish, Wildlife, and Parks that proposes to block migrating rainbow trout during spawning to prevent the production and recruitment of approximately 2,500 rainbow trout into the Flathead River system annually. This action will reduce the opportunity for hybridization between rainbow and native westslope cutthroat trout; a species currently under consideration for threatened status under the Endangered Species Act. The project will be accomplished by replacing an existing culvert and retrofitting a fish passage barrier to the bayou.