Chester Creek takes many such sliding dives where it empties into Lake Superior.
After crushing, these machines would float lighter material to the surface of the water, where it would be skimmed and discarded. Gold and silver laden stone would sink to the bottom, where it was collected for the next stage of processing. Leica/Summilux 35/Ektar 100
Looking north from the east portal of the tunnel… a beautiful place. Wilderness. Mamiya 6/Portra 160
The basement of the laboratories is the home of the ore grinder. I’m sure it was noisy.
A classroom, perhaps from the days when the city owned the building.
The shaft house, where hydraulic steel doors allowed or denied entry into the mine shaft. Overhead is a light and alarm. If it sounds, the mine is being evacuated, and you best not go in and best stay the hell out of the way. Locals dump tires here, now.
“Paint the fence,” they said, but I don’t feel like it… who cares, anyway.
If you know what BTI stands for, please leave a comment.