On a railroad bridge west of Two Harbors, a DM&IR freight consisting entirely of ore cars, or jennies, is seen being pulled by a powerful Yellowstone type steam locomotive, ca. 1940. The locomotive behind it was the most recent locomotive acquisition at the time of the photo.

A Yellowstone locomotive pulls a string of jennies near Duluth, 1940.

Ore cars being loaded at the Hull-Rust mine at Hibbing, 1937.

Ore cars being unloaded at Dock 6 in Duluth, 1935. The ore dropped to large chutes below where waiting Great Lakes freighters were loaded for their journey to steel mills.

The first locomotive to bring iron ore to the Duluth docks with dignitaries and crew members, 1934.

On predecessor road Duluth and Iron Range, two locomotives, 1916. The foreground features the first steam locomotive of the railroad.

Predecessor road Duluth and Iron Range at Two Harbors where car maintenance and repair took place, 1915.

The large classification yard and part of the shops complex at Proctor, 1900.

The 221 was the first "Yellowstone"-type steam locomotive delivered to the Duluth, Missabe & Iron Range, and the first to be road tested out of Two Harbors. This view shows the locomotive en route to the DM&IR, wearing a "Baldwin Locomotive Works" banner, 1940. Note that the main rods, eccentric cranks, eccentric rods, etc. have been removed for transport.