Great Northern Bridge at Index, Washington, April 4, 1987, over the Skykomish River. Other subject classes: Structure, Bridge

Great Northern bridge at Index, Washington, 1987. Photograph by George Werkema.

Great Northern Bridge at Index, Washington, April 4, 1987, over the Skykomish River. Other subject classes: Structure, Bridge

Great Northern bridge at Index, Washington, 1987. Photograph by George Werkema.

Index, Washington Great Northern depot with semaphore train order, track side view, freight room end, wooden construction, Walter Ainsworth photo, undated.