About August 1838 — Joseph Goodrich and another arrived [at the Rock Prairie/Milton neighborhood].

The evidence

• “About August, 1838, he was followed by Mr. Joseph Goodrich and Mr.”

  1879-history-of-rock-county/16-rock-county-ch10-villages.md, PDF p. 676 / book p. 680

  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