The historic Newlin Grist Mill, 219 Cheyney Road, Glen Mills, Pennsylvania, will host its annual Archaeology Festival from 10 a.m. to 3 p.m. Sept. 14, held in partnership with the Delaware County Planning Department.Guests will discover the archaeological heritage that lies beneath by assisting professional archaeologists with excavation and cleaning of artifacts. This year’s festival highlights the industrial legacy of the area, to coordinate with Delaware County’s [...]