Great Northern Railway 3007 at Essex, Montana. The locomotive is a General Motors Electro Motive Division Model GP30. Other subject classes: Locomotive, GP-30

Great Northern Railway 3025 at Essex, Montana in 1968. Second Train Number 492 with General Motors Electro Motive Division GP-35 number 3024 on point at Essex, Montana. Depot is visible. Other subject classes: GP-35 Depot, Locomotive

Great Northern Railway 729 at Essex, Montana. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9

Great Northern Railway Train 28 east of Essex, Montana on trestle bridge in 1969. Other subject classes: Bridge