Statistics for occurrence #1 of “Colonel Tyler” 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 3: The Decisive Battles.:

...ed in the photograph (the First Connecticut Heavy), had all left the city to its fate. In the spring of 1862, as this picture was taken, just before the beginning of McClellan's Peninsula Campaign, Colonel Tyler was in the act of examining a despatch at the sally-port of Fort Richardson, Arlington Heights, Virginia. During the first two years of the war the Government devoted a great part of its energies t...
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