The U.S. Army Corps of Engineers Nashville District is opening Historic Mill Springs Mill May 6-7, 2023, from 9 a.m. to 4 p.m. (EDT) each day on the shoreline of Lake Cumberland. The public is invited to learn, participate, and experience stone sharpening activities as Miller John Childers hones the grist stones used throughout the recreation season to grind corn into cornmeal. (USACE Photo by Codey Hensley)