Region
Maryland
2
Adams County (Pa.)
1
Allegany County
1
Allegany County (Md.)
1
Cumberland County (Pa.)
1
Delmarva Peninsula
1
Dorchester County
1
Franklin County (Pa.)
1
Georgetown (Washington, D.C.)
1
Pennsylvania
1
Somerset County
1
Washington (D.C.)
1
Washington County
1
Washington County (Md.)
1
Worcester County
1
York County (Pa.)
1