Mr. Lappin built a two-story frame store on the present site of Lappin's Block (Janesville).

The evidence

• “Richardson opened a store a few feet north of Mr. Lappin's establishment, and, early in 1842, Mr. Lappin built a two-story frame store on the present site of Lappin's Block, and soon took W.”

  1879-history-of-rock-county/14-rock-county-ch08-janesville.md, PDF p. 530 / book p. 534

  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