Belmont Union order of battle

The following Union Army units and commanders fought in the Battle of Belmont of the American Civil War. The Confederate order of battle is listed separately.
Union Forces.
Grant's Expeditionary Command, District of Southeast Missouri.
BG Ulysses S. Grant
From Paducah, Kentucky.
BG Charles Ferguson Smith
Cooperating unit not subject to Grant's command, from Ironton to St. Francis River