This is an original 1915 trifold geological map with two vertical folds. The last image is an example of this folded trifold map.
1915 Antique Union Pacific Railroad Map Grand Island NE Aurora Central City
1915 Antique Union Pacific Railroad Map Sidney Nebraska Chappell NE Geological
1915 Antique Union Pacific Railroad Map North Platte Nebraska Geological
1915 Antique Union Pacific Railroad Map Green River Wyoming Ghost Towns
1915 Antique Union Pacific Railroad Map Kearney Nebraska Lexington NE Cozad
1915 Antique Southern Pacific Railroad Map Roseville California Marysville CA
