21x POSTCARD OF GETTYSBURG NATIONAL MILITARY PARK The small town of Gettysburg, Pennsylvania was the site of the largest Civil War battle ever waged in the Western Hemisphere. It opened on July 1,1863 and closed two days later with the climactic "Pickett's Charge." Gettysburg National Military Park incorporates nearly 6,000 acres, with 26 miles of park roads and over 1,400 monuments and memorials. Photographers - Dietrich Stock Photography, Terry Donnelly, Russ Finley Postcard size 4 x 6