A treaty was made with the Sacs and Foxes in 1832, after which several families crossed the Mississippi and settled on the purchase in the Iowa district.

The evidence

• “This whole region west of the Mississippi was known as the Iowa district. Immediately after the treaty of 1832 with the Sacs and Foxes, the United States having come into ownership of a large tradt in this district, several families crossed the Mississippi, and settled on the purchase, but as”

  1879-history-of-rock-county/01-wisconsin-antiquities-indians-territory.md, PDF p. 36

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources