Statistics for occurrence #1 of “Colonel Merrill” in chapter 12, page 251 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.:
In the West, Forts Henry and Donelson and Vicksburg are names that are held in memory as demonstrating the high achievements of the Engineer Corps.
Its labors at Chattanooga, under Colonel Merrill , rendered that important position impregnable.
The work at Knoxville likewise withstood terrific onslaught.
At Nashville the skill of the engineers enabled General Thomas to take his stand until ...
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