Great Northern Railway Historical Society Blueprint Collection JSBP9908, Washington, 1926. Great Northern Blueprint Number X8-226, Transformer Sub Station Steel Structure Type A. Electrications Section. Interstate Commerce Commission Account Number 31, Power Transmission Systems. Other ICC account descriptions: ICC Account Number 29, Transmission System.

Great Northern Railway Historical Society Blueprint Collection JSBP9907, Washington, 1926. Great Northern Blueprint Number 4809-6, Details of Cross Arms and Special Pole Hardware. Transmission Line Poles Scenic to Cascade Tunnel. Interstate Commerce Commission Account Number 31, Power Transmission Systems. Other ICC account descriptions: ICC Account Number 29, Transmission System.

Great Northern Railway Historical Society Blueprint Collection JSBP9782, Washington, 1921. Great Northern Blueprint Number C /331, Line Characteristics - Leavenworth to Tonga. Map. Authorization for Expenditure 13116. Interstate Commerce Commission Account Number 31, Power Transmission Systems. Other ICC account descriptions: ICC Account Number 31, Transmission Line.

Great Northern Railway Historical Society Blueprint Collection JSBP9773, Washington, 1920. Great Northern Blueprint Number 202-3177-Sheet 3, Reinforcement of Pinon Girders of Drawspans. Section, Plan and Details. Authorization for Expenditure 11184. 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 JSBP9708, Washington, 1918. Great Northern Blueprint Number 13.722, Bridge # 329. General Plan and Masonry As Constructed - Pier # 3 and Abutment # 4. Authorization for Expenditure 2331. 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 JSBP9707, Washington, 1918. Great Northern Blueprint Number 183.3047.01, Bridge # 327.01. General Plan As Constructed. Authorization for Expenditure 2329. 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 JSBP9676, Washington, 1917. Great Northern Blueprint Number PQ-272, Bridge 23-2. Rock Creek Bridge Renewals, Near Spokane, Wa. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridges and Trestles.

Great Northern Railway Historical Society Blueprint Collection JSBP9675, Washington, 1917. Bridge #10 On the Coast Line. Layout of Machinery Showing An Additional Bearing. 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 JSBP9674, Washington, 1917. Great Northern Blueprint Number 183.3047.02, Bridge # 327.01. Details of Masonry As Constructed. Authorization for Expenditure 2329. 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 JSBP9673, Washington, 1917. Great Northern Blueprint Number 183.3047.02, Bridge # 327.01. Details of Masonry As Constructed - Abutments # 1 and # 4, Pier # 3. Authorization for Expenditure 2329. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.