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United States
68
Pennsylvania
43
Pennsylvanie
43
États-Unis
42
New York (State)
33
New York (État)
26
England
24
Great Britain
23
Angleterre
22
Grande-Bretagne
18
Panama
18
Maryland
15
Panama Canal
14
Panama Canal (Panama)
14
Canal de Panamá (Panamá)
13
Erie Canal
12
Panamá
12
Canada
11
Erie Canal (N.Y.)
11
Chesapeake and Ohio Canal
10
Chesapeake and Ohio Canal (Mar. et Washington, D.C.)
10
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
10
North America
9
Washington (D.C.)
9
Ohio
7
Saint Lawrence River
7
États-Unis
7
Great Lakes
6
Great Lakes (North America)
6
Pennsylvania Canal
6
Pennsylvania Canal (Pa.)
6
Europe
5
Virginia
5
Virginie-Occidentale
5
West Virginia
5
California
4
Chesapeake and Ohio Canal National Historical Park
4
France
4
Grands Lacs (Amérique du Nord)
4
Mohawk (N.Y. : Rivière)
4
Mohawk River
4
Mohawk River (N.Y.)
4
Netherlands
4
New York State Canal System
4
New York State Canal System (N.Y.)
4
Pays-Bas
4
Amsterdam
3
Amsterdam (Netherlands)
3
Egypt
3
Florida
3
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