Region
Ohio
10
United States
6
Ohio River Valley
3
Cincinnati
2
Bellefontaine Region
1
Bellefontaine Region (Ohio)
1
Chesapeake and Ohio Canal National Historical Park
1
Cleveland
1
Ferry Hill Plantation (Md.)
1
Germany
1
Indiana
1
Marietta (Ohio)
1
Maryland
1
New Burlington (Ohio)
1
Pennsylvania
1
Ripley (Ohio)
1
Washington County
1
Washington County (Md.)
1