Great Northern Railway Historical Society Blueprint Collection JSBP2867, Irby, Washington, 1930. Great Northern Blueprint Number 17-905, Bridges Number 326.4 and Number 327. Topographic Map. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.
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Taken From: "GN Locations" database compiled by Jim Chinquist, year 1950.