Statistics for occurrence #1 of “Confederate States of America” in chapter 10 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.:

...not much less. The incident of the so-called Petersburg Express, when the Federals mounted a 13-inch sea-coast mortar on a railroad This photograph was taken the day the new flag of the Confederate States of America was thrown to the breeze on top of Libby prison. The entire supply of gunpowder in the Confederacy at the beginning of the conflict was scarcely sufficient for one month of active operations. Not...
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