algae american bison animal archean arrowhead region beaver bedrock boundary waters buffalo ridge canada canadian shield catlinite central minnesota climate of minnesota continent continental drift coral coteau des prairies cretaceous crocodile cuyuna range dairy farming demographics of minnesota des moines river digital object identifier dolomite drainage basin driftless area duluth complex earth ecology of minnesota economic geology economy of minnesota equator erosion esker extrusive federal district gabbro geography of minnesota geology of alabama geology of connecticut geology of delaware geology of idaho geology of illinois geology of iowa geology of kansas geology of oklahoma geology of pennsylvania geology of tennessee geology of texas glacial lake duluth glacial river warren glacial history of minnesota glacial landforms glacier gneiss great lakes great plains greenstone belt gunflint range herman beach history of minnesota hudson bay insular area interstate park iowa iron iron range jay cooke state park jeffers petroglyphs kames kansas lake lake agassiz lake superior lava life limestone list of governors of minnesota list of minnesota state parks list of national historic landmarks in minnesota list of cities in minnesota list of colleges and universities in minnesota list of counties in minnesota list of high schools in minnesota list of lakes in minnesota list of people from minnesota list of political parties in minnesota list of school districts in minnesota list of townships in minnesota lithification louis hennepin mammoth mesabi range mesozoic michigan midcontinent rift system mineral minneapolis-saint paul minnehaha falls minnesota minnesota department of natural resources minnesota river minnesota state fair minnesota territory mississippi river missouri river mollisols music of minnesota nemadji river new ulm north america north dakota north woods northwest angle northwestern ontario ocean paleozoic peat peneplain pipestone region prairie prairie pothole region precambrian proglacial lake proglacial lakes of minnesota proterozoic quartzite quaternary quaternary glaciation red river valley red river of the north rift rift valley river river warren falls sandstone scouting in minnesota sedimentary rock shale shark shoulder snail southeast minnesota sports in minnesota superior national forest superior craton taconite terminal moraine till plain ton transportation in minnesota traverse gap trilobite tropical climate tunnel valley united states minor outlying islands upper mississippi river volcano voyageurs national park wind power wisconsin