Statistics for occurrence #1 of “Dallas” in chapter 9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 3: The Decisive Battles.:

... country, however, was ill fitted for such a contest. The continuous succession of hills, covered with primeval forests, presented little opportunity for two great armies, stretched out almost from Dallas to Marietta, a distance of about ten miles, to come together simultaneously at all points. A severe contest occurred on the 27th, near the center of the battle-lines, between General O. O. Howard...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Dallas (Texas, United States) 59 0 27 0 0 user votes
Dallas (Missouri, United States) 47 0 1 0 0 user votes
Dallas (Oregon, United States) 8 0 0 0 0 user votes
Dallas (Missouri, United States) 6 0 4 0 0 user votes
Dallas (Alabama, United States) 1 0 1 0 0 user votes
Dallas (Arizona, United States) 0 0 0 0 0 user votes
Dallas (Colorado, United States) 0 0 0 0 0 user votes
Dallas (Florida, United States) 0 0 0 0 0 user votes
Dallas (Maine, United States) 0 0 0 0 0 user votes
Dallas (North Carolina, United States) 0 0 0 0 0 user votes
Dallas (Ohio, United States) 0 0 0 0 0 user votes
Dallas (Pennsylvania, United States) 0 0 0 0 0 user votes
Dallas (South Dakota, United States) 0 0 0 0 0 user votes
Dallas (Tennessee, United States) 0 0 0 0 0 user votes
Dallas (United Kingdom) 0 0 0 0 0 user votes
Dallas (West Virginia, United States) 0 0 0 0 0 user votes
Dallas (Wisconsin, 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.