Great Northern Blueprint Number 7568.27, Remodel Depot, 1952. Other subject categories: Drawing

Great Northern Blueprint Number 7568.26, Remodel Depot, 1952. Other subject categories: Drawing

Great Northern Blueprint Number 1240-34-11, Great Northern Summit Valley Railway Crossing, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1240-34-17, Great Northern Talbot Street Crossing, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1240-34-18, Great Northern Talbot Street Crossing, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1444-5-2, map of Mining Claims at Butte, 1889. Other subject categories: Map

Great Northern Blueprint Number 1229-3, map of City Map of Butte, 1890. Other subject categories: Map

Great Northern Blueprint Number 1229-3, map of Butte (Poor Condition), undated. Other subject categories: Map

Great Northern Blueprint Number 1445-5-3, map of Mining Claims at Butte, undated. Other subject categories: Map

Milwaukee Road Track Construction Progress Chart West of Butte, 1909. Other subject categories: Chart