Great Northern Blueprint Number X15-308-5, Great Northern Track Substation - Steel Details Section B-B, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-6, Great Northern Track Substation - Steel Details Section C-C, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-4, Great Northern Track Substation - Steel Details Elevation A-A, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-7, Great Northern Track Substation - Steel Details Section D-D, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-3, Great Northern Track Substation - Steel Details Top View, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-8, Great Northern Track Substation - Steel Details Section E-E, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-2 , Great Northern Track Substations - Salvage Details, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-1 , Great Northern Track Substations - Foundation Details, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-301-2, Great Northern Cascade Electrification - Air Section at Station 202+72 West Portal Cascade Tunnel, 1928. Other subject categories: Drawing