November 1854
Mr. Mills removed to Evansville and became stock agent for the Beloit & Madison Railroad
Nation and worldGrade A · 1 independent source
The evidence
“Mills was elected a member of the State Constitutional Convention in 1846. In November, 1854, he removed to Evansville, where he engaged as stock agent for the Beloit & Madison Kailroad Company (now Chicago & North- Western). In 1851, he was appointed to fill a vacancy as Director of the Milwaukee & Mississippi Railroad; was afterward twice elected to the same position.”
1879-history-of-rock-county/30-bios-union.md, PDF p. 862 / book p. 866
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