Region
Maryland
16
United States
Baltimore
5
États-Unis
5
Pennsylvania
5
Delaware
3
Pennsylvanie
3
Virginia
3
America
2
Baltimore (Md.)
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
New Jersey
2
New Sweden
2
Sweden
2
USA
2
Western Hemisphere
2
Annapolis
1
Annapolis (Md.)
1
Atlantic Ocean
1
Bladensburg
1
Chesapeake Bay
1
Chesapeake Bay (Md. and Va.)
1
Connecticut
1
Conococheague Creek Region (Pa.)
1
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
Europe
1
États du Moyen-Atlantique (États-Unis)
1
Frontier
1
Great Britain
1
Middle Atlantic States
1
North Carolina
1
Ohio River Valley
1
Ohio, Vallée de l'
1
Potomac River
1
South Carolina
1
United States, Maryland
1
United States, Virginia
1
Washington (D.C.)
1