For some time there has been a disagreement between NMFS and the tribes over what to do with surplus hatchery salmon on the Columbia system. The tribes want to let them spawn in areas that wild salmon are extinct, the NMFS bio's say this could have a negetive effect on remaining wild stocks. It looks like the tribes will get what they want. http://news.theolympian.com/stories/20010515/Northwest/41231.shtml