 that streams themselves are just moving water. But the truth of the matter to the layman is that streams are also moving sediment with them. And when we put dams up, that's stopping that sediment transport. We can still pass water over. We can send it through chutes or spillways or send it over a portion of a dam, but you're never passing sediments fully. And that's where you really get a huge maintenance impact. The backside of Rapid Ann Dam had 100 years of sediments that had