Great Northern Railway Historical Society Blueprint Collection JSBP4722, Shed Number 1711.65, Washington, 1916. Great Northern Blueprint Number 12-700 Sheet 11, Reinforced Concrete Culvert Under Snow Shed. Sections 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.