[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.]