From left, Larry and Gerri Gray, of Stewartville, and Marcia Goodmanson, a volunteer with the History Center of Olmsted County, discuss an autographed tablecloth that may have been signed by Stewartville community members in the 1970s to try an determine the event when it was signed Thursday, Sept. 10, 2020, at the History Center of Olmsted County in Rochester. (Joe Ahlquist / [email protected])