Because the shaft is nearly vertical, rocks riding inside shift a lot. To keep them from breaking down the door and raining into the shaft.
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...based on the tags: carts, mine-shafts, rubber, rusty, tracks...
Through a section of the tailings boom where mountain winds tore open the sheet metal around the conveyor, I poked my head out.
I believe these hooks were meant for hanging filters to dry.
A dead work truck rusts near an outbuilding. Everything is marked with a code. Modernity.
This picture shows the challenges of moving around underground in the base.
In the mine offices, hooks and a board with numbers was the system to keep track of who was in the mine and who was safe.
Blue plastic siding filters the summer sun, giving the otherwise reddish-brown interior a splash of color.
An emergency slide to help workers evacuate the blending house in an emergency.
This big rusty sphere hides behind the incomplete 5-stack.
Part of the grain drier system in ADM #1 crawls up the side of the building like a steel vine.