Region
Ohio
United States
33
Pennsylvania
15
Cincinnati
14
Cleveland
11
Kentucky
9
Indiana
8
West Virginia
8
Michigan
7
Illinois
4
New York (State)
4
Cincinnati (Ohio)
3
Columbus
3
New Jersey
3
North Carolina
3
Oberlin
3
Ohio River Valley
3
Alabama
2
Arkansas
2
Cleveland (Ohio)
2
Florida
2
Ironton
2
Ironton, Ohio
2
Louisiana
2
Marietta
2
Mississippi
2
Montgomery
2
New Orleans
2
Niagara Escarpment Region
2
Oberlin (Ohio)
2
Ohio River Valley Region
2
Parkersburg
2
Parkersburg, West Virginia
2
Rhode Island
2
South Carolina
2
Virginia
2
Washington
2
Washington (D.C.)
2
Washington, West Virginia
2
Antiquities
1
Appalachian Mountains
1
Appalachian Region
1
Ashland
1
Ashland, Kentucky
1
Blackstone River
1
Chicago
1
China
1
Clark County
1
Columbus (Ohio)
1
Cuyahoga River Watershed
1
more ...