Historical Marker
Chopard Block
Historical marker location:
5130 Ballard Avenue NW, Seattle, Washington
( Marker is on Ballard Avenue Northwest, on the right when traveling north.)
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.