Great Northern Railway Historical Society Blueprint Collection JSBP1600, Fir, Washington, 1907. Great Northern Blueprint Number B10.62, Interlocking Diagram. Map, Dog Sheet and Lever Elevation. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.
Elements area
Taxonomy
Code
Scope note(s)
Source note(s)
Taken From: "GN Locations" database compiled by Jim Chinquist, year 1950.