A huge steam pipe snakes between catwalks, through the floors, and toward the condensers, so the water could be recovered and reused.
Footprints of houses past; tailings of mines past.
A ruined culvert near Oregon Creek, behind Old Main, the predecessor of the University of Minnesota-Duluth.
When boiling beet juice accidentally spills from the gas-fired tanks two feet away, you better be wearing some of these, or bye-bye legs.
The old hospital (left) and ugly modern additions (right).
A whiteboard in the quiet turbine room lays it all out… you should sell.
In case power was lost, this manual signal could direct trains on and off the taconite trestle. Turning the pole would change the color of the light on top and the shape of the metal flags.
In front of the mine building the ground has opened up, showing a one-subterranean hallway. Locals seem to be using the dangerous hole as a trash dump.
The snowflake (?) patterns were hand-laid throughout the hospital. It is possible some or all of these tiles were laid by patients, as it is on record that they were used for simple tasks in the name of occupational therapy.