[Black Hawk crosses Mississippi River into Illinois for purpose, he declares, of raising corn along Rock River. With him are 400 or 500 horsemen, plus old men and boys in charge of canoes, as well as women and children, totaling about 2,000 people.Journal of Albert Sidney Johnston, 10 April 1832, Black Hawk War Collection, Abraham Lincoln Presidential Library and Museum, Springfield, IL; Gen. Henry Atkinson to Gov. John Reynolds, 10 April 1832, 13 April 1832, 27 April 1832, Atkinson Letter Book.]

March from Beardstown begins. Some 150 soldiers without horses are ordered to go by boat to Yellow Banks. Gov. Reynolds and 1,500 mounted militia camp for night three miles east of Rushville.Reynolds Order and Letter Book, Black Hawk War Collection, Abraham Lincoln Presidential Library and Museum, Springfield, IL.

According to Orville H. Browning, volunteers move to new camp four miles north of Rushville, day's march being seven miles.Stevens, Black Hawk War, 117-18.

William Carpenter of Sangamon County reports day's march as three miles and camp as Rushville. Elliott, Services of Illinois Soldiers, xvii.

Gen. Whiteside orders that "there is to be no firing of guns in the lines or encampment without permission." Lincoln's company is made part of Fourth Illinois Regiment of Mounted Volunteers, commanded by Col. Samuel M. Thompson, in brigade of Brig. Gen. Samuel Whiteside. Col. Thompson began his services as first lieutenant in Lincoln's company.David Prickett to editor, Illinois Herald, Springfield, 3 May 1832; Reynolds Order and Letter Book, Black Hawk War Collection, Abraham Lincoln Presidential Library and Museum, Springfield, IL.