All About Minnesota Map Section
This site has many maps of Minnesota covering everything from the lakes to the counties.
Source: Minnesota Government Information and Services

Minnesota Maps Online
There are excellent maps on Minnesota available on this site. You can search for a survey map by county or by township, or take a look through plat books and altases. Browsing through the atlases is easy with their online interface which allows you to browse by page and then enlarge the images in your browser and even clip the image into a new window. This is an excellent resource on Minnesota maps.
Source: Minnesota Historical Society

Detailed Minnesota State Maps - (Adobe Acrobat Required)
This is a great map of Minnesota including cities, roads, lakes and more.
Source: Minnesota Office of Tourism

Outline Map of Minnesota
This map is a basic black and white map showing the county lines as its only details.
Source: Indiana State University

Annual Average Precipitation Map
This map shows the average annual rainfall in the state.
Source: Spatial Climate Analysis Service, Oregon State University

Minnesota State Map of 1895
See a beautiful color map of what Minnesota looked like at the turn of the century at this website.
Source: Ray Steiner, John Hopkins University

Minnesota State Map
If you need a map that shows the major freeways in Minnesota, this is it!
Source: World Sites Atlas

Merriam Webster Atlas
This atlas page shows the Minnesota state map and some quick facts. There is also a good explanation of the symbolism of the state flag.
Source: The New York Times and Merriam Webster