Region
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Northwest, Pacific
7
Valley Forge National Historical Park (Pa.)
7
Washington County (Ohio)
7
Washington, DC
7
West Virginia
7
Alexandria
6
Allegheny County (Pa.)
6
Bally
6
Bally (Pa.)
6
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
6
Connecticut
6
Franklin County (Pa.)
6
Hagerstown
6
Mount Vernon (Estate)
6
Oregon
6
Southern States
6
Vermont
6
Boston
5
Canonsburg
5
Delaware
5
Georgetown
5
Georgia
5
Lehigh County (Pa.)
5
New Hampshire
5
Pacific Northwest
5
Tennessee
5
Adams County (Pa.)
4
Bucks County (Pa.)
4
Canonsburg (Pa.)
4
Charlestown (R.I. : Town)
4
District of Columbia
4
East (U.S.)
4
Exeter (R.I. : Town)
4
Fayette County
4
France
4
Hagerstown (Md.)
4
Hopkinton (R.I. : Town)
4
King County
4
King County (Wash.)
4
Lancaster County (Pa.)
4
Marietta
4
Mason-Dixon Line
4
North Kingstown (R.I. : Town)
4
Northumberland County (Pa.)
4
Perry County (Pa.)
4
Richmond (R.I.)
4
Rome
4
South Kingstown (R.I. : Town)
4
Tacoma
4
Tacoma (Wash.)
4
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