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March 29, 2013 1:16 PM

Climate change expected to increase Snake River sediment tenfold

The Army Corps of Engineer under law is supposed to maintain the lower Snake River navigation channel at 14 feet deep and 250 feet wide. In the draft EIS, the Corps is proposing a long-term plan to manage, and prevent if possible, river sediment deposition behind all four dams, Ice Harbor, Lower Monumental, Little Goose, and Lower Granite Locks and Dams.

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