Trailer Parked: When Gary Gallagher took this picture in 1967, a house trailer, partially seen at far left, marred the scene at Antietam Battlefield’s Dunker Church. (Courtesy of Gary Gallagher)
Trailer Parked: When Gary Gallagher took this picture in 1967, a house trailer, partially seen at far left, marred the scene at Antietam Battlefield’s Dunker Church. (Courtesy of Gary Gallagher)