Great Northern Blueprint Number C-40-2, map of Saint Paul, Minneapolis & Manitoba Railway Stevens Pass West 20 Mile Section, 1891. Other subject categories: Filing Map
Railroad Archives Online
Great Northern Blueprint Number C-40-2, map of Saint Paul, Minneapolis & Manitoba Railway Stevens Pass West 20 Mile Section, 1891. Other subject categories: Filing Map
Great Northern Blueprint Number 1332-14 , map of Pacific Extension No47, 1893. Other subject categories: Filing Map
Great Northern Blueprint Number 1202-20, map of Located "X" Line Running from Long Tunnel at Stevens Pass to Connect with "L" Line at Foot of 2.2% Grade, and List Showing Progress, 1891. Other subject categories: Map
Great Northern Blueprint Number A-9, map of Pacific Extension "L" Line Short Tunnel at Stevens Pass Down West Slope along Tye and Skykomish Rivers, 1891. Other subject categories: Preliminary Line
Great Northern Blueprint Number 1081-19, Map and Profiles, Cascade Tunnel and Switch Backs, Pacific Extension, 1893. Other subject categories: Right of Way and Track Map