Survey contracts of M. T. Williams, dated July 9, 1833, were made for survey work in the county (township lines and subdivisions).

The evidence

• “T. Williams., July 9, 1833 4th quarter, 1833. East Township" Boundary North Township Boundary Mullett & Brink M. T. Williams., July 9, 1833 4th quarter, 1833.”

  1879-history-of-rock-county/08-rock-county-ch02-mounds-indians-black-hawk-settlement.md, PDF p. 329

  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