The Associated Press Workers breached the final dams on a key section of the Klamath River on Wednesday, clearing the way for salmon to swim freely through a major watershed near the California-Oregon border for the first time in more than a century as the largest dam removal project in U.S. history nears completion. Crews used excavators to remove rock dams that have been diverting water upstream of two dams, Iron Gate and Copco No. 1, both of which were already almost completely removed. With each scoop, more and more river water was able to flow through the historic channel. The work has given salmon a passageway to key swaths of habitat just in time for the fall Chinook, or king salmon, spawning season. Standing at Iron Gate Wednesday morning,…
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