Region
United States
America
2
Colorado River
2
Colorado River (Colo.-Mexico)
2
Delaware
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
Maryland
2
New Jersey
2
New Sweden
2
North America
2
Pennsylvania
2
Southwest, New
2
Sweden
2
Western Hemisphere
2
Colorado (Col.-Mexique : Fleuve)
1
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
États-Unis
1
États-Unis (Nouveau Sud-Ouest)
1
New Southwest
1
Pennsylvanie
1