The top part of this plaque at Sternwheeler Park reads,
Registered State Historic Place
Washington State Advisory Council on Historic Preservation
The bottom part of the plaque reads,
Sternwheeler Park
Under the provisions of the state historic preservation of 1967, this property possesses particular value in commemorating or illustrating American History
Placed on the state register March 8, 1974 By the Governor's advisory council on historic preservation
Washington State Parks and Recreation Commission