Burlington Northern SD40-2 Number 8074, built AuguSaint 1979; SD40-2 Number 8135, built June 1980; SD40-2 number unknown; SD40-2 number unknown; passing Hoffman Avenue interlocking at Saint Paul, Minnesota with an westbound freight on June 24, 1980. Burlington Northern passenger car behind power. Photo by Al Christianson.
Elements area
Taxonomy
Code
Scope note(s)
At Pacific Northwest Railroad Archive, still photographs of railroad signal equipment.
Source note(s)
LC Subject Authority Heading: Railroads--Signaling http://id.loc.gov/authorities/subjects/sh85111029
Display note(s)
Hierarchical terms
Railroad--Signaling
Railroad--Signaling
Equivalent terms
Railroad--Signaling
UF Signals