Quaternary System

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Read about the Quaternary System
Cahokia AlluviumTeneriffe SiltModern SoilFarmdale SoilSangamon SoilYarmouth SoilPeoria SiltRobein MemberRoxana SiltHenry FormationEquality FormationPearl FormationLoveland SiltTeneriffe SiltWolf Creek FormationAlburnett FormationSankoty Sand MemberMahomet Sand MemberHarkness Silt MemberHegeler Till MemberBanner FormationTilton Till MemberHillery Till MemberHarmattan Till MemberKellerville Till MemberSmithboro Till MemberGlasford FormationOgle Till MemberHulick Till MemberVandalia Till MemberRadnor Till MemberWinnebago FormationWedron GroupTiskilwa FormationDelavan MemberPiatt MemberBatestown MemberYorkville MemberLemont FormationHaeger MemberWadsworth FormationQuaternary imagemap.jpg
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Quaternary System