Built by Union Electric, now Ameren Missouri, this peak needs electricity generation system and it's destructive flood of 2005 is described in This Wiki article.
This is a 2014 Google Earth image showing the path of destruction. The lake in the lower right is the rebuilt reservoir on top of Mt Proffit. The lower end of the path of the treeless flow is the Shut-Ins park where the boulders came to rest on the old campground. Our campground, the new one, is in the upper left of this photo. Out of the view of this capture and below the picture is the lower lake on the East Fork of the Black River which flows through the shut-ins and is the other end of the re-circulation of water for electricity generation.