Region
United States
Mississippi River Valley
13
Ohio River Valley
13
West (U.S.)
13
Canada
10
Northwest, Old
10
North America
6
USA
6
America
5
Mississippi River
5
Ontario
5
Southwest, Old
5
Allegheny River (Pa. and N.Y.)
4
Edwards County (Ill.)
4
Europe
4
Great Britain
4
Mexico
4
Monongahela River (W. Va. and Pa.)
4
Niagara Falls (N.Y. and Ont.)
4
Cuba
3
Erie, Lake
3
Florida
3
Hot Springs (Ark.)
3
Ohio River
3
Ouachita River (Ark. and La.)
3
South America
3
Washington (D.C.)
3
États-Unis
3
Africa
2
Albany (N.Y.)
2
California
2
Colorado River (Colo.-Mexico)
2
Great Lakes (North America)
2
Illinois
2
Maine
2
Mississippi
2
Nantucket (Mass.)
2
New Mexico
2
Northwestern States
2
Philadelphia (Pa.)
2
Southern States
2
Southern boundary of the United States
2
Southwest, New
2
Utah
2
Virginia
2
West Indies
2
Alaska
1
Algeria
1
Allegheny River Valley (Pa. and N.Y.)
1
Antigua
1
more ...