Historical Marker
Colonial Hotel
Historical marker location:
1119-1123 1st Avenue, Seattle, Washington
( Marker is on 1st Avenue when traveling south.)
Marker installed: 1986
Built 1901 - Rehabilitated 1982. Seattle Landmark.
The Grand Coulee Dam, located on the Columbia River in central Washington, is the largest hydropower project in the United States and was once the largest concrete structure in the world.