Great Northern Railway Historical Society Blueprint Collection JSBP4345, Seattle, Washington, 1909. Great Northern Blueprint Number 380.B.02, Plan of Proposed Crossing. Crossing Frog of Great Northern and Northern Pacific at Spokane Avenue. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Railway Historical Society Blueprint Collection JSBP4375, Seattle, Washington, 1916. Great Northern Blueprint Number 3-505, Crossing Number 58 Warehouse Track and Connection to Port. Plan. Authorization for Expenditure 2221. Interstate Commerce Commission Account Number 9, Rails. Other ICC account descriptions: ICC Account Number 9, Rail.

Great Northern Railway Historical Society Blueprint Collection JSBP4436, Seattle, Washington, 1919. Great Northern Blueprint Number S.71, Plan for Paving. Section Across Track. Authorization for Expenditure 11279. Interstate Commerce Commission Account Number 15, Crossings and Signs. Other ICC account descriptions: ICC Account Number 14, Road Crossing.

Great Northern Railway Historical Society Blueprint Collection JSBP4448, Seattle, Washington, 1920. Great Northern Blueprint Number 36 A, Standard Brick Paving for Steam Railroads. Section. Interstate Commerce Commission Account Number 15, Crossings and Signs. Other ICC account descriptions: ICC Account Number 14, Public Crossing.

Great Northern Railway Historical Society Blueprint Collection JSBP4550, Seattle, Washington, 1944. Great Northern Blueprint Number 3-403, C.M. Lovsted and Company Crossing. Plan. Interstate Commerce Commission Account Number 9, Rails. Other ICC account descriptions: ICC Account Number 9, Crossing Frog.

Great Northern Railway Historical Society Blueprint Collection JSBP4713, Seattle, Washington, undated. Location of Telegraph Poles. Cross Section Across Railroad Avenue Between Northern Pacific and Great Northern Tracks. Authorization for Expenditure 7186. Interstate Commerce Commission Account Number 26, Telegraph and Telephone Lines. Other ICC account descriptions: ICC Account Number 26, Communications.