We had company drill twice today. We have a fine drill ground. Our water here is good, there being several springs a short distance to the east and to the west of our camp. The camp of the Thirteenth Iowa is on our left, while to our right are the Eighth and Eighteenth Illinois. These three regiments with ours, the Eleventh Iowa, form the First Brigade of the First Division of the Army of the Tennessee, under the command of Maj. Gen. John A. McClernand. Col. Abraham M. Hare of our regiment is in command of the brigade. Dresser's battery of six guns is encamped just in front of the Eleventh Iowa.
Source: Alexander G. Downing, Edited by Olynthus B., Clark, Downing’s Civil War Diary, p. 38