arrest personallyall officers and men, guilty of discharging fire arms, in violation of paragraph Second of General Orders No 38, current Series issued from these Head Quarters, and report them to their Division commanders, who will cause enlisted men to be punished, and officers to be tried before Courts Martial for such violations" DS, McClernand Papers, IHi; copies, DLC-USG, V, 12, 13, 14, 95; DNA, RG 94, 9th Ill., Letterbook; ibid., 48th Ill., Letterbook; ibid., RG 393, USG General Orders. See letter to Maj. Gen. Henry W. Halleck, April 25, 1862.
Head Quarters, Dist of West. Tenn
Pittsburgh, April 17th 1862.
BRIG. GEN. THOMAS MCKEAN.
COMMDG 6TH DIVISION
Consolidate the 18th Ohio 1 Regiment into Eight or less Companies, and order a Field Officer from one of the other Regiments to command it, temporarily, until such time as the Governor may appoint a Field Officerfor the Regiment.
Where two Regiments are very much reduced in numbers and also reduced in Field Officers they may be attached, and the Senior Field Officer take Command asone regiment.
Your Obt. Servant
U. S. GRANT
Copies, DLC-USG, V, 1, 2, 3, 86; DNA, RG 393, USG Letters Sent. Thomas J. McKean of Pa., USMA 1831, resigned from the U. S. Army on March 31, 1834, but served as a vol. in both the Second Seminole War (1837-38) and the Mexican War (1846-48). He was a civil engineer and farmer in Iowa before his appointment as additional paymaster on June 1, 1861. Promoted to brig. gen. on Nov. 21, he was assigned to the Central District of Mo. On April 10, 1862, Capt. John A. Rawlins issued Special Orders No. 50 assigning McKean to command the 6th Division. Copies, DLC-USG, V, 15, 16, 82, 87, 89; DNA, RG 393, USG Special Orders. O. R., I, x, part 2, 101.