Upper Snake River drought may dry up Palisades’ power generationJackson Hole News&GuideIrrigation season is off to a rough start in the Upper Snake River Basin, and managers are trying to limit impacts later in the summer. Low water supply could snarl power generation in Palisades Dam, as well as water managers’ ability to deliver water for salmon migrations downstream. If reservoir storage gets low enough later in the summer, it’s possible that…