Northern Pacific tunnel at Hoppers, Montana, May 23, 1952. Looking toward two-track tunnel in process of being daylighted, mainline being single-tracked. Photo by J.M. Fredrickson. Other Subject Classes: tunnel, track
Fredrickson, James M.Elements area
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Scope note(s)
At Pacific Northwest Railroad Archive, documents, still photographs of buildings and structures created by the railroads.
Source note(s)
LC Subject Authority Heading: Railroads--Buildings and structures http://id.loc.gov/authorities/subjects/sh85110913