Army Engineers Fort McAllister ...

Army engineers removing an 8-inch Columbiad gun from Fort McAllister Savannah, Georgia vicinity in December 1864.  

After marching through Georgia for a month, Sherman stormed Fort McAllister on December 13, 1864 and captured Savannah itself 8 days later.

This view shows the former stronghold and its dismantling preparatory to Sherman's further movement northward. This operation was ordered on December 24, and Gen. William B. Hazen 2d Division, 15th Corps and Maj. Thomas W. Osborn, Chief of Artillery, had it completed by December 29, storing the guns at Fort Pulaski.