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...
The original color of the wall was probably green.
This is part of the oldest section of factory, one that hasn’t had a roof in a long time and all usable equipment has been extracted. The machines pictured would spin sliced beets in boiling water… it was a sealed system before someone cut holes on sides of each unit.
The copula stacks were fitted with scrubbers. Making metal is a very polluting activity.
A new loading shed to fill train cars.
A colorful makeshift wall.
Part of the Pillsbury tunnel that brought water back to the Mississippi River.
Numbers on a pillar counted tank capacity for a removed water container; an unhinged door in an unhinged factory beguiles those looking for an exit.
The top of Dock 4 was too dangerous to explore, but this panorama gives you an idea of the view (and how rotten the wood was).
The well-worn chair in one larry’s operator cab, next to an overgrown coke battery.