Great Northern electric locomotive 5000B, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5000B, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5000B, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5000B, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5000B, Class Z1 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5000B, Class Z1 in , Washington State, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5002A, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5002A, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5002A, Class Z1 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern electric locomotive 5002B, Class Z1 in Appleyard, Washington, undated. Photograph by Wade Stevenson.