Great Northern Railway Historical Society Blueprint Collection JSBP4389, Seattle, Washington, 1917. Great Northern Blueprint Number 104.04.07, Interlocking. North Portal Seattle Tunnel. Authorization for Expenditure 1214. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.
Elements area
Taxonomy
Code
DXXXX-XXX-009-008-005
Scope note(s)
A Pacific Northwest Railroad Archive subject. An engineering drawing of a railroad structure or device used for signaling.
Source note(s)
Display note(s)
Hierarchical terms
Railroads--Signaling drawings
Railroads--Signaling drawings
Equivalent terms
Railroads--Signaling drawings
UF Railroads--Signaling, Signals, Signaling, Signals, Signaling