Every year, thousands of spring chinook salmon return to Washington's Yakima River and cross Roza Dam to their spawning sites upriver. Not all make it through however---a portion of the fish are captured and transported to the Cle Elum Hatchery as brood stock. According to the Yakima Herald, this delicate process usually sees workers hastily ferrying the fish by hand from a holding tank to a tanker truck. Biologists with the Yakima Nation Fisheries think they have a better...
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