Historical Boundaries
1933-1972: San Juan & Skagit counties
1972-Present: San Juan, Skagit & Whatcom counties
Current Boundary
Represents San Juan County, southwestern Whatcom County, and parts of Skagit County, including the cities of Bellingham, Mount Vernon, Anacortes, and Friday Harbor.
Historical Maps
1965-1972: [Link]
1972-1982: [Link]
1982-1992: Not Available
1992-2002: [Link]
2002-Present: [Link]