Color postcard view of SP&S Tunnel Number 3 at milepost 54.6 on the Portland Division, postmarked September 10, 1915.
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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