From left, Larry and Gerri Gray, of Stewartville, Marcia Goodmanson, a volunteer with the History Center of Olmsted County, Mary Gray, daughter of Larry and Gerri, Erik Goodmanson, a volunteer and son of Marcia, and Kevin Whaley, collections manager at the history center, look at 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])