GUILFORD — The Maine Old Cemetery Association will hold its annual meeting at 9 a.m. Saturday, Oct. 3, at Valley Grange Hall, Guilford. The Guilford Historical Society will make a presentation at 10:15 a.m., and John Patko, president of Portland-Monson Slate Co., at 10:30 a.m. For information, call Clyde G. Berry at 623-3421.