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Questions & Answers: Lower Granite Dam

Displaying 1 - 2 of 2 questions
Question Askedsort ascending
A: Final accounting of returns will not be completed until late August but preliminary estimates of the split of adult returns over Lower Granite suggest that the contribtions to an adult passasge of 80,000 fish might be distributed... Read more
A: Natural mortality (excluding harvest) for salmon between Lower Granite Dam and hatchery facilites varies by facility and year but typically is not more than 5%. So if  there were no harvest in Idaho and 10,000 hatchery fish crossed Lower... Read more