Staff machine for operating trains through single-track territory, as used by Northern Pacific between Stampede and Martin, Washington. Copy from Union Pacific rule book. Photo by J.M. Fredrickson . Other Subject Classes: signal equipment
Fredrickson, James M.Elements area
Taxonomy
Code
Scope note(s)
At Pacific Northwest Railroad Archive, still photographs of railroad structures for the passage of trains underground.
Source note(s)
LC Subject Authority Heading: Railroad tunnels https://lccn.loc.gov/sh85110901
Display note(s)
Hierarchical terms
Railroad Tunnels
Railroad Tunnels
Equivalent terms
Railroad Tunnels
UF Tunnels