Statistics for occurrence #1 of “United States” in chapter 8 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.:

...iz.: Watertown, Massachusetts; Watervliet, West Troy, New York; Allegheny, Pennsylvania; St. Louis, Missouri; Washington, and Benicia, California. owing to the development of the resources of the United States , less material had been purchased abroad during the year ending June 30, 1863, than at previous periods of the war, and the Ordnance Department determined that still less should be acquired in Europe...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 92 0 0 0 user votes
United States (New Mexico, United States) 6 0 0 0 0 user votes

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