Region
Maryland
17
États-Unis
3
United States
3
Pennsylvania
2
Pennsylvanie
2
Virginia
2
Virginie
2
America
1
Baltimore
1
Bladensburg
1
Conococheague Creek Region (Pa.)
1
Delaware
1
Delaware River Valley
1
Delaware River Valley (N.Y.-Del. and N.J.)
1
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
Europe
1
Great Britain
1
New Jersey
1
New Sweden
1
Sweden
1
Venezuela
1
Washington (D.C.)
1
Western Hemisphere
1