VICKSBURG, Mississippi, Oct. 16 -- The U.S. Army Engineer Research and Development Center issued the following news story: By Sophia Espinosa, Public Affairs Specialist, U.S. Army Engineer Research and Development Center Au Sable Lighthouse, MI - With a goal of improving how historic structures are managed and advancing the role of technology for historic preservation, a collaborative team of experts completed a field experiment at the Au Sable Lighthouse in Michigan's Upper Peninsula. The tea  more