Great Northern Railway Historical Society Blueprint Collection JSBP0295, American Railway Engineering Association, undated. Great Northern Blueprint Number 8.62.04, Crossing Frog. (# 8 Solid Self-Guarded) - Manganese Steel. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Blueprint Number 1242-11, drawing of 48 Foot Bolted Frog for Tie Plant, undated. Other subject categories: Plan

Great Northern Blueprint Number 1326-21-3, drawing of Skagit Coal and Coke Company Coal Washer Floor Plans and Sections, undated. Other subject categories: Plans

Great Northern Blueprint Number 36250, Conduit ClaMilepost for 1 1/4'' T.W. Conduit on Mail and Baggage Car Number 1100 to Number 1104 and Baggage Car Number 273 to Number 276, undated. Other subject categories: Drawing

Great Northern Blueprint Number 100332, Floor Plan-"Compass" Instruction Car (Former Great Northern Business Car A-6, 1971. Other subject categories: Drawing

Great Northern Blueprint Number 100331, Floor Plan-"Compass" Instruction Car (Former Great Northern Business Car A-5, 1971. Other subject categories: Drawing

Great Northern Blueprint Number 65106, Great Northern Railway Floor Plan-Used on Passenger Cars Number 1094,1095, 1967. Other subject categories: Drawing

Great Northern Blueprint Number UF 2509, Great Northern Application of End Sill and Post to Side Sill on Baggage Cars, 1950. Other subject categories: Drawing

Great Northern Blueprint Number 36287, Switch Location Terminal Strips and Fuses on Baggage Cars Number 273 to Number 276, 1950. Other subject categories: Drawing

Great Northern Blueprint Number 44110, Hand Brake Arrangement on Baggage Cars 487 to 495, 1950. Other subject categories: Drawing