J. G. HAMILTON, Lt. Col. 1st Inf., _Act. Chief of Staff_. Copies to Colonels Adams and Byron, commanders of artillery and engineers, and to staff; to division commander by wire. The various parts of the field order, when assembled, appear as follows: Det. 21st Div. 12th Corps, Field Orders: Leavenworth, Kansas, No. 22. 9 Dec. 28, 8-15 p. m. (Geological Survey Sheet.) _Troops._ (a) Independent 1. The enemy’s cavalry patrols Cavalry: have been seen north of Col. Adams. KICKAPOO. His infantry 1st & 2d Sqs. 1st and artillery are reported Cav. at ATCHISON. (less 1 troop). Our division is 8 miles south of LEAVENWORTH. 2. This detachment will march tomorrow to KICKAPOO. (b) Advance Guard: Col. Byron. 3. (a) The Independent Cavalry 1st Inf. will start at 5-30 a. m., 1 Troop, 1st Cav. covering the movement. Btry. B, 5th F. A. Det. Amb. Co. (b) The advance guard will No. 1. clear the northern exit of LEAVENWORTH at 6 a. m., marching by the ATCHISON CROSS-FRENCHMAN road. (c) Main Body, in (c) The main body will follow order of march: the advance guard at 1st Bn. 2d Inf. 1,200 yards. 1st Bn. 5th F. A. (less 1 btry). (d) The Signal troops will 1st Brig. (less 1st establish a line of information Inf. and 1st Bn. along the line of 2d Inf.). march between the independent 4th Inf. cavalry and Co. A, Engrs. LEAVENWORTH, one (less det.). of the stations being at Amb. Co. No. 1 FRENCHMAN. (less det.). 1st F. Hosp. 4. The field train, escorted by one company 4th Infantry, will follow the main body as far as FRENCHMAN.