Historical Marker
Hansen Building
Historical marker location:
5101 Ballard Avenue NW, Seattle, Washington
( Marker is at the intersection of NW Dock Place and Ballard Avenue NW on NW Dock Place.)
Ballard Avenue Landmark District.
The Hanford Site, located in southeastern Washington, was a major production facility for nuclear weapons during World War II and the Cold War. Today, it is the most contaminated nuclear site in the United States and is undergoing a massive cleanup effort.