On page 548, Series 1, Vol. 32 is a report from Lt. Col. Polk, Chief of Artillery, at Meridian Miss. dated January 11, 1864.
Statement of the number, caliber, and position of the guns in the Department of the Gulf, January 11, 1864. A list of all the batteries and forts around Mobile. On the list is a 2.75 inch Whitworth Gun- unassigned.