Great Northern Railway Historical Society Blueprint Collection JSBP8707, Walton, Montana, 1928. Snowshed # 12. Specifications for Double Track Combined Timber and Concrete Snowshed. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.

Great Northern Railway Historical Society Blueprint Collection JSBP8708, Walton, Montana, 1929. Snowshed # 12. Alignment of Track. Authorization for Expenditure 38709. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.

Great Northern Railway Historical Society Blueprint Collection JSBP8709, Walton, Montana, 1929. Great Northern Blueprint Number 10.1118, Snowshed # 12. Proposed 3 X 3 Concrete Drain. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.

Great Northern Railway Historical Society Blueprint Collection JSBP8710, Walton, Montana, 1938. Great Northern Blueprint Number 177-76-6, Culvert Number 119. General Plan. Authorization for Expenditure 52525. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Culvert.

Great Northern Railway Historical Society Blueprint Collection JSBP8720, Walton, Montana, undated. Snowshed # 12. Cone Culverts. Authorization for Expenditure 38709. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.

Great Northern Railway Historical Society Blueprint Collection JSBP8726, Washington Division, undated. Great Northern Blueprint Number 21.A.311.61, Columbia River Bridge. (Columbia River Bridge) - Main Pier. 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 JSBP8753, Waverly, Minnesota, 1898. Great Northern Blueprint Number 51-B-1204 Sheet 1, General and Masonary Plan of Bridge Number 54. Plans, Elevations and Sections. 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 JSBP8754, Waverly, Minnesota, 1917. Bridge # 53.5. Private Under Crossing. 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 JSBP8756, Wayside, Washington, 1931. Great Northern Blueprint Number 274-4449-2, Bridge #6 General Plan. Plan, Elevation and Details. Authorization for Expenditure 43382. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.