Statistics for occurrence #1 of “Seminary Ridge” in part 2.11, chapter 2.12 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 2: Two Years of Grim War.:

... rested with its center on Cemetery Ridge, with its right thrown around to Culp's Hill and its left extended southward toward the rocky peak called Round Top. The Confederate army, with its center on Seminary Ridge , its wings extending from beyond Rock Creek on the north to a point opposite Round Top on the south, lay in a great semicircle, half surrounding the Army of the Potomac. But Lee was at a disadvanta...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Seminary Ridge (Pennsylvania, United States) 462 32 0 0 0 user votes
Seminary Ridge (California, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.