81. Track Speeder 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
82. 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
83. 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
84. View from Fireman's Side of Ore Cars 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
85. Viaduct and Ore Cars 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
86. Track Speeder 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
87. 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
88. View from Engineer'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
89. 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
90. 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