Region
Ohio
7
United States
7
Florida
6
Arkansas
5
Mississippi River Valley
5
Louisiana
4
Amérique du Nord
3
Georgia
3
Alabama
2
Gulf States
2
Louisiane
2
Mississippi
2
Missouri
2
North America
2
Adams County
1
America
1
California
1
États-Unis
1
Géorgie (État)
1
Hawaii
1
Hungary
1
Illinois
1
Iowa
1
Kansas
1
Kentucky
1
Mississippi, Vallée du
1
Moundville (Ala.)
1
Nebraska
1
New Jersey
1
Northwestern States
1
Ouachita River Valley
1
Ouachita River Valley (Ark. and La.)
1
Ouachita, Vallée de l' (Ark. et Louis.)
1
Red River Valley
1
Serpent Mound State Memorial (Ohio)
1
South Carolina
1
Southwest, Old
1
Tennessee River
1
Wisconsin
1