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Monday return largest single-day crossing since count began Portland, Ore. - Since Sunday, more than 180,354 adult fall Chinook have climbed the fish ladders at Bonneville Lock and Dam on their annual migration into the Columbia River Basin.

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PORTLAND, Ore. – Would you like to meet people from all over the world and teach them about historic places, or help protect our natural resources? Bonneville Lock and Dam needs volunteers on weekends during the spring, fall and winter months to help run its visitor centers, powerhouse display gallery, bookstore and Natural Resource program.

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Record-smashing numbers of Chinook salmon are heading up the Columbia River and may continue for several more days, the U.S. Army Corps of Engineers said Sept. 12.