Burlington Northern SD40-2 Number 8177, built AuguSaint 1980; SD40-2 Number 7937, built April 1980; SD40-2 Number 6902, built March 1973; passing Newport, Minnesota interlocking with an eastbound ore move on March 21, 1981. Train order signal clear. 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