Great Northern electric locomotive 5017, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5017, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5017, Class Y1 in Skykomish, Washington State, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5016, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern Electric Locomotive 5016 at Skykomish, Washington, undated, in orange and green paint scheme. Other subject classes: Locomotive

Great Northern electric locomotive 5016, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5014, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5014, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5014, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5013, Class Y1 in Skykomish, Washington, undated. Photograph by Wade Stevenson.