On Apr. 2, the National Marine Fisheries Service recommended protected status for the Snake River sockeye salmon, setting off an economic furor in the Northwest. Salmon-protection measures could curtail the operation of hydroelectric plants, raising the cost of electricity and affecting everyone from aluminum makers to farmers. By June 7, the fisheries service must decide whether to protect four other salmon strains that spawn in the Columbia-Snake River system, which flows through four states.

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