The U.S. Army Corps of Engineers, Rock Island District, in collaboration with the Iowa Department of Natural Resources, invites the public to attend an open house May 14 to learn more about an ecosystem restoration project planned in the Sabula Lakes on the Mississippi River. The event will take place from 5:30-7:30 p.m. at the Izaak Walton League located at 60190 US-52 in Sabula, Iowa.