Justus P. Wheeler made his purchase in La Prairie.

The evidence

• “James Chamberlain. | Justus P. Wheeler made his purchase in the fall of 1840. Eliakim Thatcher, in 1843.”

  1856-history-of-rock-county/12-la-prairie.md, PDF p. 111 / book p. 93

  Guernsey, Orrin, and Josiah F. Willard, editors. History of Rock County, and Transactions of the Rock County Agricultural Society and Mechanics' Institute. Janesville, Wis.: William M. Doty & Brother, 1856. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871593.

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

  

• “Justus P. Wheeler made his purchase in the fall of 1840 ; Eliakim Thatcher in 1843.”

  1879-history-of-rock-county/13-rock-county-ch07-town-histories.md, PDF p. 510 / book p. 514

  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 · may repeat 1856-history-of-rock-county, so not counted as independent

  

• “The town being all prairie with only a small quantity of timber in the northwest and southwest corners of it, other towns in the county filled up more rapidly with settlers, while La Prairie remained stationary, Justus P. Wheeler made his purchase in the fall of 1840 ; Eliakim Thatcher in 1843.”

  1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 185 / book p. 691

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources · may repeat 1856-history-of-rock-county, 1879-history-of-rock-county, so not counted as independent