Great Northern Diesel Locomotives 472D and 446D, Class F7 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotives 472D and 446, Class F7 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotives 2504 and 2519, Class U25B in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotives 200 and 219, Class RS3 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive Service Facility at Wenatchee, Washington, April 4, 1987, diesel locomotive service facility. Other subject classes: Structure, Diesel Servicing

Great Northern Diesel Locomotive , Class F7 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Number 578, a Type SD9, at Wenatchee, Washington, June 1969.

Great Northern Diesel Locomotive , Class SD45 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 732, Class GP9 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 732 at Wenatchee, Washington, June 8, 1968, Big Sky Blue paint scheme. Other subject classes: Locomotive