1840
Benjamin Palmer located in Rock County on the farm of 140 acres he still owned.
Rock CountyGrade A · 1 independent source
The evidence
“Lima Center ; born in Cayuga Co., N. Y., May, 1809; son of Daniel and Joanna Palmer, wliio removed to Krie Co., Penn., where Benjamin lived until he removed to Indiana, and remained one year, then located in Rock County on the farm he now owns, of 140 acres, in 1840. He has given 180 acres to his children.”
1879-history-of-rock-county/21-bios-lima.md, PDF p. 790 / book p. 794
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