Plat maps are available for all 87 counties in Minnesota and many counties in adjoining states. Each page in a county book details a 6-by-6 square mile township. Where to buy plat maps: A county book ...
The University Libraries has recently added close to 3,000 plat maps from the State Land Office to the digital archive. These maps date from 1870 to 1988, with the bulk having been created before 1930 ...