Great Northern bridge at Ballard, Washington, 1991. Photograph by George Werkema.

Great Northern bridge at Ballard, Washington, 1991. Photograph by George Werkema.

Great Northern bridge at Ballard, Washington, 1991. Photograph by George Werkema.

Great Northern Bridge at Ballard, Washington, May 12, 1991, over Salmon Bay. Other subject classes: Structure, Bridge

Great Northern bridge at Ballard, Washington, 1991. Photograph by George Werkema.

Great Northern Bridge at Ballard, Washington, May 12, 1991, over Salmon Bay. Other subject classes: Structure, Bridge

A Cascade Division train order from 1936, authorizing two work extras on the mainline between Ballard and Everett, including the daily local "The Oiler". From the Dave Sprau collection.