Great Northern Technical Drawing 1219-32-1, Plan of Angle Bar for 61 1/2 Pound Block Pollak Rail, 1906. Other subject categories: Drawing

Great Northern Technical Drawing 1219-27-1, Standard 20 Foot Split Switch, 1906. Other subject categories: Drawing

Great Northern Blueprint Number 1241-28-2, Great Northern Number 9 Double Slip Switch with Moveable Point Crossing, 1907. Other subject categories: Drawing

Great Northern Blueprint Number 1191-17-2, Standard 15 Foot Guard Rail, 1907. Other subject categories: Drawing

Great Northern Blueprint Number 1241-28-1, Great Northern Number 9 Double Slip Switch with Moveable Point Crossing, 1907. Other subject categories: Drawing

Great Northern Technical Drawing 1220-10, Angle Bars, 1909. Other subject categories: Drawing

Great Northern Blueprint Number 1219-20-2, Standard Road Bed Section without Ballast, 1909. Other subject categories: Drawing

Great Northern Blueprint Number 1219-20-3, Standard Road Bed Section with Gravel Ballast, 1909. Other subject categories: Drawing

Great Northern Blueprint Number 1219-20-1, Standard Road Bed Section, 1909. Other subject categories: Drawing

Great Northern Blueprint Number 1192-12-2, Tie Plate Gauge, 1909. Other subject categories: Drawing