Region
Maryland
55
Virginia
12
Annapolis
6
Delaware
6
Anne Arundel County
5
Pennsylvania
5
United States
5
Baltimore
4
Washington (D.C.)
4
Baltimore (Md.)
3
Virginie
3
Alexandria
2
America
2
Chesapeake Bay (Md. and Va.)
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
États-Unis
2
New Jersey
2
New Sweden
2
Pennsylvanie
2
Shenandoah River Valley (Va. and W. Va.)
2
Susquehanna River
2
Sweden
2
Western Hemisphere
2
Adams County (Pa.)
1
Africa
1
Annapolis (Md.)
1
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
Eastern Shore (Md. and Va.)
1
États du Moyen-Atlantique (États-Unis)
1
Liberia
1
Middle Atlantic States
1
New York
1
New York (State)
1
Ohio
1
Ohio River Valley
1
Ohio, Vallée de l'
1
Philadelphia
1
Shenandoah River Valley
1
Shenandoah, Vallée de la (Virg. et Virg.-Occ.)
1
United States, Maryland
1
United States, Virginia
1
West Virginia
1