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Plat books, or cadastral maps, contain township maps by county. They illustrate the location of property boundaries and label major landowners. Acreage information and local landmarks are also shown. Public Land Survey System descriptions are included in the introduction of each book.
The PDFs below include holdings for plat books of Minnesota, North Dakota, and South Dakota. All include counties and years.
When an asterisk (*) is used, this indicates the plat book is archived in the Lass Center on the second floor.
"Property boundary basemaps and ownership records are maintained at the county level, usually by the recorder's, assessor's or land surveyor's offices. Many Minnesota counties keep records in digital (computer-readable) format while others keep them as paper records. Note that the boundaries shown on the maps and the GIS data sets are approximate -- they are not substitutes for certified property surveys, legal property descriptions or detailed plat maps."