J. M. Shackelford, (James M. Shackelford, Union Brigadier General), one page ALS, Nov. 18, 1863 war-date military field letter to 'Maj. Genl. Burnside, Comdg. Army of The Ohio', 'Col. Penebaker is just in, he was driven back this evening to about five hundred and fifty yards beyond the Round house. He occupies with the 27th Ky. the skirt of wood (Pine) where the 9th Ohio Battalion was encamped.', 7¼ x 9¾" on blue-lined stationery, several light file folds, one of which affects the signature, very fine