Great Northern Blueprint Number X15-300-17, Great Northern Cascade Electrification - Farmers Telegraph and Telephone Company Crossings at Miller, Ninth and Fifth Streets, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-300-20, Great Northern Cascade Electrification - Power Line Crossing at Orondo Avenue, Skagit and Spokane Street, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-300-8, Great Northern Cascade Electrification - Puget Sound Power and Light Company 2300V. Line Crossing Main Line and Track 14 in Appleyard, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-302-1, Great Northern Converter Substation - 11.5 and 44 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-302-3, Great Northern Converter Substation - 11.5 and 44 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-302-5, Great Northern Converter Substation - Conduit Plan, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 38, Great Northern Converter Substation - Conduit Plan and Sections Puget Sound Power and Light Company Station, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 20, Great Northern Converter Substation - Details of Auxillary Terminal Board Wall and Pull Boxes, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet24, Great Northern Converter Substation - Manhole and Duct Run Location Plan and Conduit Arrangement in Manhole Number 1, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 11, Great Northern Converter Substation- List of Conduits and Conductors, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 19, Great Northern Converter Substation- List of Conduits and Conductors, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet33, Great Northern Converter Substation- List of Material, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet34, Great Northern Converter Substation- List of Material, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet36, Great Northern Converter Substation-Switch Board Spacing Panel, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-5, Great Northern Cascade Electrification - Power and Telegraph Wire Crossing 3 Miles West of Depot, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-18, Great Northern Cascade Electrification - Puget Sound Power and Light Company Crossings at Miller, Ninth and Fifth Streets, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-6, Great Northern Cascade Electrification - R F Johnson and others Wire Crossing 4 Miles West of Depot, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 7, Great Northern Converter Substation - Arrangement Plan, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-303-2, Great Northern Converter Substation -110 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 12, Great Northern Converter Substation- List of Conduits and Conductors, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet 15, Great Northern Converter Substation- List of Conduits and Conductors, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet18, Great Northern Converter Substation- List of Conduits and Conductors, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet39, Great Northern Converter Substation-Switch Board and Exciter Field Rheostat Arrangement, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-302-7, Great Northern Convertyer Substation - Sections and List of Material, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-303-1, Great Northern Cascade Electrification - Details of Running and Yard Tracks Number 11, 12 and 13 West End of Appleyard, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet22, Great Northern Converter Substation - Balcony Conduit Layout Plan and Elevations, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-302-4, Great Northern Converter Substation - 11.5 and 44 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-303-3, Great Northern Converter Substation - 110 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-303-4, Great Northern Converter Substation - 110 KV Outdoor Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-301 Sheet29, Great Northern Converter Substation - 60 Volt Bus Room Arrangement Plan and Section, 1928. Other subject categories: Drawing