- Comstock, C. B. (Cyrus Ballou), 1831-1910
- Digital Commonwealth
- Boston Public Library
- U.S. War Dept., Engineer Bureau
Head qurtrs., U.S. forces, Fort Fisher, Jan. 27th, 1865, forwarded to Engineer Dept. with letter of this date, C.B. Comstock, Lt. Col., A.D.C. & Brvt. Brig. Gen. &&. Relief shown by hachures. Includes 3 cross sections.
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