...e brigade commanders were Col. A. Heiman, Col. John C. Brown and Col. James E. Bailey, the latter commanding the garrison of the fort; Col. N. B. Forrest commanded the cavalry. The investment of Fort Donelson and the works occupied by the Confederate forces was complete by the afternoon of the 12th of February, and on the 13th an unsuccessful assault was made on Bushrod Johnson's left wing. It was met g...