Great Northern Railway Historical Society Blueprint Collection JSBP1132, Dassel, Minnesota, undated. Great Northern Blueprint Number 134.3302.03, Overhead Highway Bridge. Elevation, Bents, Situation Plat, Bill of Materials. Authorization for Expenditure 12339. 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 JSBP1126, Dassel, Minnesota, 1919. Bridge # 70. Revised Grade Line. Authorization for Expenditure 8899. 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 JSBP1125, Dassel, Minnesota, 1919. Bridge # 70. Profiles Across Bridge. Authorization for Expenditure 8899. 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 JSBP1124, Dassel, Minnesota, 1918. Bridge # 70. General Elevations. Authorization for Expenditure 8899. 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 JSBP1123, Dassel, Minnesota, 1918. Great Northern Blueprint Number 140.3196.01, Bridge # 70. General and Masonry Plan. Authorization for Expenditure 8899. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.