Burlington Northern Engineering Drawing: Deck Plan, Bridge 0 - Silver Bow Creek (formerly Northern Pacific), Butte, Montana, Line Segment 327, Milepost 0.7. Sheet VF 1076 - 24, 1976.

Great Northern Railway Historical Society Blueprint Collection JSBP0743, Butte, Montana, undated. Great Northern Blueprint Number 04.08.10, Interlocking. Track Plan. Authorization for Expenditure 5098. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP0744, Butte, Montana, undated. Great Northern Blueprint Number 91, Fuel, Oil Shed, and Privy. For Interlocking Plant. Authorization for Expenditure 5098. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP0745, Butte, Montana, undated. Interlocking. Place Car Body. Authorization for Expenditure 5098. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Blueprint Number 6271.1, Standard Plan, Steel Lockers, 1945. 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

Northern Pacific Engineering Drawing: Detail - Deck Slab, Bridge 0.1 - Montana Street, Butte, Montana, Line Segment 327, Milepost 0.8. Sheet 1070 - 8, undated.

Northern Pacific Engineering Drawing: Detail 2 End Spans, Bridge 0 - Silver Bow Creek, Butte, Montana, Line Segment 327, Milepost 0.7. Sheet 1076 - 24, undated.