MIDDLE MISSISSIPPI A.D. 1420±200 Crable Village Illinois Fulton MIDDLE MISSISSIPPI 1326±250 Nodena Village Arkansas Arkansas MIDDLE MISSISSIPPI 1156±200 Cahokia Illinois Madison EFFIGY MOUND[2] 1041±212 Effigy Mounds Iowa Allamakee National Park HOPEWELLIAN 508±60 Twenhafel Illinois Jackson (Weber) Md. HOPEWELLIAN 432±200 Rutherford Illinois Hardin Mound HOPEWELLIAN 256±200 Knight Mound Illinois Calhoun HOPEWELLIAN 214±250 Baehr Mound Illinois Brown HOPEWELLIAN[2] B.C. 48±160 Hopewellian Ohio Ross Group Mound #25 HOPEWELLIAN[3] 57±108 Wilson Mound Illinois White HOPEWELLIAN 315±164 Havana Mound Illinois Mason ADENA 423±150 Toepfner Mound Ohio Franklin #I ADENA 697±170 Dover Mound Kentucky Mason ARCHAIC 704±80 Poverty Point Louisiana W. Carroll (N.E.) Parish ADENA 826±410 Toepfner Mound Ohio Franklin #II ARCHAIC 904±90 Poverty Point Louisiana W. Carroll (N.E.) Parish ARCHAIC 1624±300 Kays Landing Tennessee Humphrey ARCHAIC[2] 2170±215 Indian Knoll Kentucky Ohio ARCHAIC[2] 2360±270 Annis Mound Kentucky Butler ARCHAIC 2765±300 Modoc Rock Illinois Randolph Shelter ARCHAIC 2812±250 Perry Site Alabama Lauderdale (N.W.) ARCHAIC 2950±250 Annis Shell Kentucky Butler Mound ARCHAIC 3325±300 Modoc Rock Illinois Randolph Shelter ARCHAIC 3352±300 Indian Knoll Kentucky Ohio ARCHAIC 3646±400 Oconto Old Wisconsin Oconto Copper Site (E.) ARCHAIC[2] 3657±164 Modoc Rock Illinois Randolph Shelter ARCHAIC 5194±500 Eva Site Tennessee Benton ARCHAIC 5556±400 Oconto Old Wisconsin Oconto Copper Site (E.) ARCHAIC 5945±500 Graham Cave Missouri Montgomery ARCHAIC 6204±300 Russell Cave Alabama Jackson ARCHAIC[2] 6219±388 Modoc Rock Illinois Randolph Shelter