Great Northern Railway Historical Society Blueprint Collection JSBP2186, Harwood, Montana, undated. Bridge # 43. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2472, Helena, Montana, undated. Montana Central Railway Blueprint Number Design # 2, Bridge # 82. (Prickley Pear Creek) - Sketch. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2483, Hibbing, Minnesota, 1907. Proposed Pile Bridge. On Buffalo and Susquehanna Mine Spur. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2497, Hills, Minnesota, 1920. Raise and Widen Approaches to Bridge On 1St Street. Authorization for Expenditure 12774. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2547, Hillyard, Washington, 1920. Great Northern Blueprint Number 4-507 Sheet 4, County Overhead Bridge over Hillyard Yards. Details of Piers and Material Lists. Authorization for Expenditure 13921. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2548, Hillyard, Washington, 1920. Great Northern Blueprint Number 4-507 Sheet 5, County Overhead Bridge over Hillyard Yards. Special Details. Authorization for Expenditure 13921. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2549, Hillyard, Washington, 1920. Great Northern Blueprint Number 4-507 Sheet 2, County Overhead Bridge over Hillyard Yards. Details of Truss Spans 5-6 and 6-7. Authorization for Expenditure 13921. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2550, Hillyard, Washington, 1920. Great Northern Blueprint Number 4-507 Sheet 3, County Overhead Bridge over Hillyard Yards. Plan and Elevations Truss Spans 7-8 and 8-9. Authorization for Expenditure 13921. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2551, Hillyard, Washington, 1920. Great Northern Blueprint Number 4-507 Sheet 1, County Overhead Bridge over Hillyard Yards. General Plan and Site Plan. Authorization for Expenditure 13921. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2696, Hinckley, Minnesota, 1929. Great Northern Blueprint Number 207-1309-7A, Bridge Number 124. General Plan. Authorization for Expenditure 41043. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.