21. Track Speeder and Grade Crossings Over Tracks 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
22. Engineer's Side of Ore Train on Viaduct 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
23. View from Fireman's Side of Cab 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
24. View from Fireman's Side of 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
25. View of Ore Cars from Fireman's Side of Locomotive 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
26. View from Engineer's Side of Cab 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
27. Open Pit Mine and Railroad Tracks 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
28. Engineer's Side of Locomotive from Cab 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
29. Ore Cars on Tracks 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
30. Ore Cars on Railroad Tracks on Approach to Viaduct 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
