Historical Marker
Oregon Trail Memorial
Historical marker location:
50 Frenchtown Road, College Place, Washington
( Marker is on Old Highway 12, 0.2 miles Frenchtown Road.)
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.