1927, Miscellaneous GN Correspondence, re: Milwaukee proposed extensions in Montana in 1927, GN Archives
   Browman Newspaper Index to Railroad Activity in the Blackfoot Country, UM Archives
  Letter, Darling to Slade 07/26/1916 Milwaukee's surveys Blackfoot/North Fork
  Letter to Louis Hill 09/07/1914 with Hill reply comment regarding Milwaukee's plans
  Articles of Incorporation, Great Falls Western Railway, July 25, 1914
  "Line Surveys up the Blackfoot, the Flathead Line," Locomotive Firemen and Enginemen's Magazine, June, 1909
  Letter, Elliott to Hill 03/23/1909, NP/Milwaukee activities in the Blackfoot
  Letter, Cooper to Mellen 10/07/1901, NP Interest in the Blackfoot County


Pacific Railroad Survey, Hellgate Canyon -- Cadotte Pass from the West, 1854 John Mix Stanley



Pacific Railroad Survey of Cadotte's Pass



Pacific Railroad Survey, view of Cadotte Pass from the east, John Mix Stanley.