Statistics for occurrence #1 of “Watertown, Massachusetts” 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.:

...ernment. Warned by repeated failures to procure supplies, the chief of Ordnance had taken energetic measures, as far as the funds appropriated would permit, to enlarge the principal arsenals, viz.: 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 ...
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