Statistics for occurrence #1 of “J. J. Moore” in chapter 14 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.:

...64, suggests some of the difficulties which confronted the superintendent of military railroads during the war. Long Bridge, from the railroad-man's viewpoint, was not a very substantial structure. J. J. Moore , chief engineer and general superintendent of military railroads of Virginia, reported to Brigadier-General D. C. McCallum, under the date of July 1, 1865, that he experienced great difficulty in kee...
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