...d been halted on the Etowah to recruit its horses, was ordered with it to observe the Oostanaula from Resaca to Rome, and Brigadier-General Kelly was ordered with his command from the neighborhood of Resaca , to report to Major-General Wheeler. The effective artillery and infantry of the Army of Tennessee, after the arrival of Mercer's brigade, amounted to 40,900; the effective cavalry to about 4,000...