Federal lands - Wikipedia
Map of the Vegetation of Minnesota at the Time of the Public Land Survey - Sustainable Farming Association
Public Land Survey – Quarter-Quarter Sections : Minnesota Natural Resource Atlas
Corner Certificates
Old Historical City, County and State Maps of Minnesota
Survey Division Washington County, MN - Official Website
PDF) Inventory of Vegetation Studies in Illinois Based on the Public Land Survey Records
Old Historical City, County and State Maps of Minnesota
Minnesota Land Ownership Info