View of the 1825 treaty council held at Prairie du Chien. Lithograph based on a painting by J. O. Lewis and printed by Lehman & Duval. Wisconsin Historical Society image #3142. Used with the permission of the Wisconsin Historical Society. Text below the image reads, “View of the Great Treaty Field at Prairie Du Chien, September 1825, at which upwards of 5,000 Indian Warriors of the Chippeawys, Sioux, Sacs & Foxes, WInnebagoes, Pottowattomies, Menomonies, Ioways and Ottawas tribes were present. Gov. Lewis Cass of Michigan and William Clark of Missouri, commissioners on the part of the United State. Painted on the spot by J. O. Lewis.”