Region
Washington County
Pennsylvania
6
Maryland
5
Washington County (Md.)
5
Washington County (Pa.)
4
United States
2
Washington County (Wis.)
2
Wisconsin
2
Adams County
1
Adams County (Pa.)
1
Allegany County
1
Allegany County (Md.)
1
Atlantic Ocean
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Eastport
1
Eastport (Me.)
1
Frontière du Nord-Est (États-Unis)
1
Georgia
1
Greene County
1
Greene County (Pa.)
1
Maine
1
New York (State)
1
Northeast boundary of the United States
1
Passamaquoddy Bay
1
Passamaquoddy Bay (N.B. and Me.)
1
Passamaquoddy, Baie de (N.-B. et Maine)
1
United States, Maine, Washington
1
United States, Maine, Washington, Eastport
1
Washington County (Ga.)
1
Washington County (Me.)
1
Washington County (N.Y.)
1
West Alexander
1