Statistics for occurrence #1 of “Washington” in chapter 4, page 29 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.:

...time, is leaning against the tent-pole. The first Independent Battery of Light Artillery from New York was organized at Auburn and mustered in November 23, 1861. It was on duty in the defenses of Washington until March, 1862, when it moved to the Peninsula by way of Fortress Monroe. Its first action was at Lee's Mills, April 5, 1861; it took part in the siege of Yorktown, and fought at Lee's Mills aga...
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.