41. Open Pit Mine with Ore Train and Slug Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
42. Ore Cars on Pier Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
43. Ore Trains in Pit Mine Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
44. Ore Cars and Ore Train Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
45. Open Pit Mine Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
46. Open Pit Mine Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
47. Open Pit Mine Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
48. Viaduct to Ore Dock Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
49. Ore Cars on Pier Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
50. View of Fireman's Side of Locomotive and Ore Train Collection: U.S. President's Railroad Commission Photographs Set: Duluth, Missabe and Iron Range Railway: mining and shipping operations Location: Minnesota, United States Format: Image
