Great Northern Railway Historical Society Blueprint Collection JSBP0817, Cascade Division, 1916. Great Northern Blueprint Number 12-700 Sheet 1, Double Track Snow Shed - Gravity Retaining Wall. Section and Details. Authorization for Expenditure 2203. 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 JSBP0816, Cascade Division, 1916. Great Northern Blueprint Number 12-700 Sheet 10, Concrete Retaining Walls of Combination Sheds. Form for Date Plate. Authorization for Expenditure 2203. 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 JSBP0815, Cascade Division, 1916. Great Northern Blueprint Number 12-700 Sheet 7, Double Track Snow Shed-Reinforced Wall In Rock. Sections. Authorization for Expenditure 2203. 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 JSBP0814, Cascade Division, 1916. Repairs to Sea Wall. General Arrangement. Authorization for Expenditure 1467. Interstate Commerce Commission Account Number 3, Grading.

Great Northern Railway Historical Society Blueprint Collection JSBP0813, Cascade Division, 1916. Great Northern Blueprint Number 192.1841.17, Bridge # 423. General Plan. 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 JSBP0812, Cascade Division, 1914. Great Northern Blueprint Number 16.328, Snow Shed. (Tye to Scenic) - Fire Protection. 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 JSBP0811, Cascade Division, 1913. Double Track Shed -Concrete Wall and Timber Roof. Roof for Rock Section. 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 JSBP0810, Cascade Division, 1913. Double Track Shed - Concrete Wall and Timber Roof. Roof for Rock Section. 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 JSBP0809, Cascade Division, 1913. Great Northern Blueprint Number 18.620.03, Double Track Snow Shed. Roof for Rock Section. 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 JSBP0807, Cascade Division, 1910. Timber Snowshed. Estimated Cost of Sheds On East Slope of Cascade Mountains. Authorization for Expenditure 17706. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.