>>1736170The Colorado plateau states are actually sitting on more before increased federal and tribal regulation combined with declining prices basically made it unprofitable to extract most of it. US domestic production has been steadily declining for nearly two decades because of this. Utah is one of the few states I know of in the west planning to build a new *commercial* reactor in the next decade, and Arizona's been running its commercial reactor (largest in US) for 35 years straight and at most can extend it to 60 years.
