1. Map showing Northern Pacific Railway system ; Chicago, Burlington & Quincy R.R. ; Spokane, Portland & Seattle Railway and its subsidiary lines (owned by Northern Pacific and Great Northern Railway Companies jointly) ; Colorado & Southern Railway Lines (controlled by Chicago, Burlington & Quincy Railroad Company) : December 31, 1925 Maps University Of Minnesota Public content 1925. McGill-Warner Co. Covers western United States and southern portions of adjacent Canada provinces.; Each railroad system shown in a different color. 65 x 81 centimet... Mc-Gill Warner Co (St. Paul, Minn).