Hennepin County has a website with excellent tools for finding information about your specific property.
Enter your property address. You should see your name, as owner, and tax information.
If you select MAP LAYERS, on the right side of the screen, you can select satellite photos of the land from the year 2000 to the present, to see how it has evolved over the years.
If you look at the left side, you will see a link named GO TO PROPERTY LINKS. Click that.
Now click SURVEY DOCUMENTS.
A menu will open. The top item is:
19th Century Township Plat filed with the U.S.Surveyor General