The big door at the bottom of the concentrator was where a tram once connected to lower the (pre-) processed ore into the river valley, where the railroad was. It’s unclear whether this ever connected directly to Eureka’s Sunnyside mill, although it’s possible.
The warped floors caught my eye in this room too–a symptom of turning off heat and not patching a leaking roof in the midwest.
The texture of the cracking poured concrete ore pocket is somewhere between stone and driftwood.
Rogers Mine is one of the most structurally sound mines in the Iron River area that isn’t part of a museum.
This picture tells half the story about the size of half of the complex. For Port Arthur, it’s average, but this would be a fantastically large elevator if it were anywhere else!
The UP gets a lot of snow, making exploring its old mines a special challenge in the winter. The snow is more than 6 feet deep in this picture, and firm enough to walk on.
Above my head while taking this picture was the seal of the Department of the Interior.
Looking at the casting floor from the roof. In the distance are the copulas where molten metal was poured.
These aluminum powder kegs were forgotten in storage.