United States 76 North America 36 Illinois 26 West (U.S.) 26 Amérique du Nord 24 Great Plains 15 Southwest, New 13 États-Unis 12 Southern States 9 America 7 Canada 7 Cahokia Mounds State Historic Park (Ill.) 6 Illinois River Valley 5 Illinois River Valley (Ill.) 5 Alaska 4 California 4 Great Britain 4 Missouri 4 New Mexico 4 Texas 4 Washington (State) 4 Indianer 3 Mexico 3 Mississippi River Valley 3 New England 3 New York (State) 3 Oregon 3 USA 3 United States, West 3 Virginia 3 American Bottom 2 American Bottom (Ill.) 2 Americas 2 Colorado 2 East (U.S.) 2 France 2 Grande-Bretagne 2 Great Lakes Region 2 Illinois Valley 2 Indiana 2 Massachusetts 2 Middle West 2 Napoleon Hollow Site (Ill.) 2 New France 2 Nordamerika 2 North Dakota 2 Northwest Coast of North America 2 Northwestern States 2 Pennsylvania 2 Wounded Knee (S.D.) 2 Alcatraz Island (Calif.) 1 Alton (Ill.) 1 América 1 Amérique 1 Archie Site (Ill.) 1 Arkansas 1 Atlantic States 1 Bermuda Islands 1 Cahokia 1 Cahokia (Ill.) 1 Cahokia Site (East Saint Louis, Ill.) 1 Campbell Hollow Site (Ill.) 1 Colorado Plateau 1 Colorado River Valley 1 Colorado River Valley (Colo.-Mexico) 1 Cook County 1 Cook County (Ill.) 1 Cypress Land Site (Ill.) 1 Deer Track Site (Ill.) 1 East Saint Louis 1 East Saint Louis (Ill.) 1 Elizabeth Site (Ill.) 1 États-Unis (Nouveau Sud-Ouest) 1 États-Unis (Ouest) 1 États-Unis (Sud) 1 Fall Creek River Valley 1 Fall Creek River Valley (Ill.) 1 Generals 1 Grandes Plaines 1 Grands Lacs, Région des 1 Hill Creek Site (Ill.) 1 Hog Bluff Site (Ill.) 1 Hopewell Culture National Historical Park (Ohio) 1 Indian Territory 1 Italy 1 Jamestown 1 Jamestown (Va.) 1 Koster Site (Ill.) 1 Los Angeles 1 Massey Site (Ill.) 1 Mesa Verde National Park (Colo.) 1 Mexican- American Border Region 1 Missouri River Valley 1 Monks Mound (Ill.) 1 Morgan County 1 Morgan County (Ill.) 1 Moss Site (Ill.) 1 Nevada 1 New York 1 New York (N.Y.) 1