Rock Island, Ill. -- (Aug. 29, 2011) The U.S. Army Corps of Engineers and the Shell Rock River Watershed District invite the public to attend an open house for the Freeborn County Aquatic Ecosystem Restoration Feasibility Study from 6 – 8:30 p.m., Tuesday, August 30, at the Albert Lea High School Auditorium, 2000 Tiger Lane Albert Lea, Minn.