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DOWNSTREAM MIGRANT COLLECTION AND TRANSPORTATION
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adult and juvenile adult salmon anadromous artiﬁcial propagation average beneﬁts Bonneville Dam chinook salmon coho Columbia and Snake Columbia Basin salmon commercial ﬁsheries commission compensation Corps Engineers Corps of Engineers Dalles Dam Department of Fish Department of Fisheries downstream migrants enter the Columbia escapement fall chinook ﬁrst Fish and Wildlife ﬁsh passage ﬁshery agencies Fishways Grand Coulee habitat hatchery Hells Canyon Dam Ice Harbor Dam Idaho juvenile salmon lower Columbia River Lower Granite Dams lower Snake River lumbia main river ﬂooded main-stem Columbia River main-stem dams Marine Fisheries Service McNary Dam miles main river million pounds National Marine Fisheries nitrogen ocean ﬁsheries ocean sport Oregon Passage mortality Priest Rapids Dam production projects public utility district river commercial catch salmon and steel salmon and steelhead Snake River dams sockeye sport and commercial sport catch steelhead runs summer chinook summer steelhead tion tributaries troll upper Columbia Washington Department water resources