Region
Maryland
9
United States
3
America
2
Delaware
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
New Jersey
2
New Sweden
2
Pennsylvania
2
Sweden
2
Virginia
2
Western Hemisphere
2
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
États-Unis
1
Pennsylvanie
1
Potomac River
1
United States, Maryland
1
United States, Virginia
1
Virginie
1