Title block of Topographic Survey T-926 of Chattanooga and its Approaches
showing the Union and Rebel Works before and during the battles of 23rd, 24th
and 25th November, 1863. Surveyed under the direction of Brig. Gen. W.F. Smith.
Chief Engineer of the Military Division of the Mississippi. Surveyed by F. W.
Dorr. This was much of the basis for images cgs05254 and cgs05239.