United States Regulars and Unclassified Units

United States Regulars	United States Unclassified Units
1st United States Infantry [Siege Guns], Companies A, B, C, D, H, I 2d United States Artillery Battery E 2d United States Light Artillery Battery F Battery Selfridge 3d United States Cavalry 13th United States Infantry 1st Battalion 15th United States Infantry 2d Battalion, Companies A, B, C, D, E 16th United States Infantry, Company A United States Mississippi Marine Brigade	Provisional Encampment