Northern Pacific signal bridge at Martin, Washington, circa 1960. Signal bridge with three signal masts, mainline, east portal of Stampede Tunnel in snow. Photo by J.M. Fredrickson . Other Subject Classes: signal equipment, track, tunnel, mountains
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