Great Northern Railway Historical Society Blueprint Collection JSBP8938, West Superior, Wisconsin, 1932. Great Northern Blueprint Number 8782-7, Eastern Railway of Minnesota - Warehouse and Dock. Section. Authorization for Expenditure 44061. Interstate Commerce Commission Account Number 23, Wharves and docks. Other ICC account descriptions: ICC Account Number 21, Dock and Warehouse.

Great Northern Railway Historical Society Blueprint Collection JSBP8941, West Superior, Wisconsin, undated. Proposed Addition to Ohio Coal Dock. Site Plan, Elevations and Sections. Authorization for Expenditure 2598. Interstate Commerce Commission Account Number 24, Coal and Ore Wharves. Other ICC account descriptions: ICC Account Number 24, Coal Dock.