Great Northern Blueprint Number X17-300-2, Great Northern East Slope Electrification- Crossing over Bridge at Station 19608 and Puget Sound Power and Light Company Line at Station 10612, 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

Great Northern Blueprint Number X17-300-3, Great Northern East Slope Electrification-Transmission Line Crossing Overhead Bridge at Station 10667 and Puget Sound Power and Light Company, 1928. Other subject categories: Drawing