Statistics for occurrence #1 of “Washington” in chapter 4, page 35 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...es was then transferred to the West, where it fought at Chattanooga, Lookout Mountain and Missionary Ridge. It was with Sherman in the Atlanta campaign, marched with him to the sea, and returned to Washington with the Army of Georgia in time for the Grand Review. Here are some followers of Brigadier-General James Madison Robertson, who won promotion as chief of horse artillery on many fields, fro...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Washington (United States) 21,192 172 3,586 0 0 user votes
Washington (Washington, United States) 232 0 0 0 0 user votes
Washington (Virginia, United States) 224 0 4 0 0 user votes
Washington (Alabama, United States) 88 0 0 0 0 user votes
Washington (West Virginia, United States) 14 0 2 0 0 user votes
Washington (Georgia, United States) 6 0 6 0 0 user votes
Washington (Idaho, United States) 4 0 4 0 0 user votes
Washington (California, United States) 2 2 0 0 0 user votes
Washington (Missouri, United States) 2 0 2 0 0 user votes
Washington (Louisiana, United States) 1 0 1 0 0 user votes
Washington (Arkansas, United States) 0 0 0 0 0 user votes
Washington (Kansas, United States) 0 0 0 0 0 user votes
Washington (Maine, United States) 0 0 0 0 0 user votes
Washington (Michigan, United States) 0 0 0 0 0 user votes
Washington (Minnesota, United States) 0 0 0 0 0 user votes
Washington (Mississippi, United States) 0 0 0 0 0 user votes
Washington (Missouri, United States) 0 0 0 0 0 user votes
Washington (Nebraska, United States) 0 0 0 0 0 user votes
Washington (Nevada, United States) 0 0 0 0 0 user votes
Washington (New Jersey, United States) 0 0 0 0 0 user votes
Washington (New Mexico, United States) 0 0 0 0 0 user votes
Washington (New Mexico, United States) 0 0 0 0 0 user votes
Washington (Ohio, United States) 0 0 0 0 0 user votes
Washington (Ohio, United States) 0 0 0 0 0 user votes
Washington (Ohio, United States) 0 0 0 0 0 user votes
Washington (Oklahoma, United States) 0 0 0 0 0 user votes
Washington (Texas, United States) 0 0 0 0 0 user votes
Washington (United Kingdom) 0 0 0 0 0 user votes
Washington (Utah, United States) 0 0 0 0 0 user votes
Washington (Vermont, 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.