Great Northern Blueprint Number X15-308-10, Great Northern Track Substation Temporary Structure, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-301-1, Great Northern Cascade Electrification - Air Section at Station 241+60 East Portal Cascade Tunnel, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-9, Great Northern Track Transformer Substation Outdoor Conduits and Material List, 1929. Other subject categories: Drawing

Great Northern Blueprint Number X15-308-11, Great Northern Track Transformer Substation Wiring Details, 1932. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-16, Great Northern Cascade Electrification - Puget Sound Power and Light Company Crossing 1 Mile West of Cashmere and 200 Feet and 1/2 Mile West of Dryden, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-15, Great Northern Cascade Electrification - Wire Crossing 1/2 Mile East, 200 and 1500 Feet West of Depot, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-301-5, Great Northern Cascade Electrification - Special Transmission Structures Number 289-290 for Entrance to Track Substation, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-301-3, Great Northern Cascade Electrification - Cashmere Yard Steel Pole Details, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X15-300-13, Great Northern Cascade Electrification - Farmers Telegraph and Telephone Crossings 1 Mile West, 300 Ft and 3/4 Mile East of Depot, 1928. Other subject categories: Drawing

Great Northern Blueprint Number X17-300-1, Great Northern East Slope Electrification- Puget Sound Power and Light Company Crossing at Station 10589-10625+20 &10706+42 on Chumstick Line, 1928. Other subject categories: Drawing