Twin Ports Rail History: Paper-Calmenson Scrap Yard Duluth, Minnesota 1961
Twin Ports Rail History: Steam Ship Joseph H. Frantz at Nicholson Transit Company Automobile Dock in Duluth, Minnesota 1957
Twin Ports Rail History: Hyman-Michaels Scrap Yard at Duluth, Minnesota 1973
Twin Ports Rail History: Azcon Scrap Yard Duluth MN 1989
Twin Ports Rail History: Great Northern Class O-4 2-8-2 3226 Derailed in Duluth, Minnesota December 1962