LS, DNA, RG 56, Letters Received from Executive Officers. See General Orders No. 11, Dec. 17, 1862.
Corinth Aug 1. 
MAJ GEN. H W HALLECK
It is now almost an absolute certainty that there is but a small force in front of us most having gone Eastward Bolivar seems to be the most important point to guard & retain troops here to reinforce Buell if necessary—I would suggest driving the rebels towards Columbus 1 as far as Possible as preparation to leave Corinth with a small garrison
U. S. GRANT
Telegram received, DNA, RG 94, Generals' Papers and Books, Telegrams Received by Gen. Halleck; copies, ibid., RG 107, Telegrams Collected (Bound); ibid., RG 393, USG Hd. Qrs. Correspondence; DLC-USG, V, 4, 5, 7, 8, 9, 88. O. R., I, xvii, part 2, 148.
On Aug. 1, 1862, Brig. Gen. William S. Rosecrans telegraphed to USG. "Dispatch from Buell believes not more than two (2) Regiments of Infantry— brigade of Cavalry and Battery at Moulton. Thinks garrison of Decatur unsafe, would be made so by a Brigade at Courtland Gives no reasons for holding that road Morgan has no reliable information but reports continue to indicate considerable force at Moulton—says commandant at Courtland is informed by Cavalry of a force seven (7) miles from there strength and kind of troops not stated Lightening prevents using wires to get answer about this. Granger telegraphed last night from Rienzi All Troops have left Tupello except Price with twenty thousand (20000). men gone East by Rail. Baggage and Artillery by Tuscaloosa to-wards Rome Means heavy attack on Buell or Richmond" Telegram received, DNA, RG 393, Dept. of the Mo., Telegrams Received; copy, ibid., Army of the Miss., 16th Army Corps, Telegrams Sent. O. R., I, xvii, part 2, 148. A copy of the telegram of July 31 from Maj. Gen. Don Carlos Buell to Rosecrans is in DNA, RG 393, Army of the Miss., Telegrams Received.