Statistics for occurrence #1 of “Colonel D. C. McCallum” in chapter 14, page 296 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.:

...tle there was a sufficient supply on hand of nearly all kinds of provisions. On September 14, 1863, General Haupt was relieved from further duty in the War Department, and turned over his work to Colonel D. C. McCallum , who was appointed superintendent of military railroads. The efficient operation of the roads with the Army of the Potomac continued, and received the enthusiastic praise from General Grant which a...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.