Great Northern Railway Historical Society Blueprint Collection JSBP1280, Duluth, Minnesota, 1908. Profile of West End of Duluth Terminal Trestle. Showing Change of Grade of Northern Pacific track at Duluth Terminal Trestle. Interstate Commerce Commission Account Number 3, Grading. Other ICC account descriptions: ICC Account Number 3, Change In Grade.
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Scope note(s)
At Pacific Northwest Railroad Archive, geographic drawings including maps, plats (cadastral maps) and track elevation (grade) profiles.
Source note(s)
LC Subject Authority Heading: Cartographic materials: http://id.loc.gov/authorities/subjects/sh00003498