Minnesota Mapping Sites:

MN DNR Interactive Maps
http://www.dnr.state.mn.us/maps/index.html

MN DNR Landview (Many GIS layers available for viewing)
http://www.dnr.state.mn.us/maps/landview.html

MN Land Management Information Center (LMIC)
http://www.lmic.state.mn.us/mapping_services.html

MN Legislature GIS - Online Mapping
http://www.commissions.leg.state.mn.us/gis/html/gismaps.html

MN DOT Maps
http://www.dot.state.mn.us/mapsales/