Great Northern Technical Drawing, Track, Washington, 1928
Great Northern Blueprint Number X17-303-5, Great Northern Cascade Electrification - Trolley Structure 'H' Column Details, Electrification Section Number 43, 1928. Other subject categories: Drawing
Great Northern Technical Drawing, Track, Washington, 1928
Great Northern Blueprint Number X17-303-6, Great Northern Cascade Electrification - Trolley Structure 'H' Column Details, Electrification Section Number 43, 1928. Other subject categories: Drawing
Great Northern Technical Drawing, Track, Washington, 1928
Great Northern Blueprint Number X17-303-7, Great Northern Cascade Electrification - Trolley Structure Footing Details Electrification Section Number 43, 1928. Other subject categories: Drawing