Region
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New York (N.Y.)
4
Pennsylvanie
4
Susquehanna River Valley
4
Ukraine
4
Worcestershire
4
Africa
3
Alabama
3
Angleterre
3
Arizona
3
Asheville
3
Delaware River Valley
3
Dover
3
Great Lakes Region (North America)
3
Hungary
3
Indiana
3
Ireland
3
Italy
3
Mesa Verde National Park
3
Mesa Verde National Park (Col.)
3
Pike County (Pa.)
3
Scandinavia
3
Scotland
3
Somerset (England)
3
South America
3
Susquehanna River
3
Sweden
3
Tennessee
3
Wayne County (Pa.)
3
West Virginia
3
Wilmington (Del.)
3
Worcestershire (England)
3
Yucatán (Mexico : State)
3
Yucatán (State)
3
Antique Row (Philadelphia, Pa.)
2
Berks County
2
Berks County (Pa.)
2
Berkshire
2
Berkshire (England)
2
Bethlehem
2
Bolivia
2
Buckinghamshire
2
Buckinghamshire (England)
2
Bucks County (Pa.)
2
Carthage (Extinct city)
2
Central America
2
Champlain Valley
2
Chaunis Temoatan
2
Cheltenham
2
China
2
Christiana
2
more ...