In case one forgot… mounted behind the appropriate valves. Who hasn’t memorized the appropriate valve positions?
Every elevator has sets of these conveyor switches. Grain comes down through the top chute and the bottom chute rotates to move the flow onto various belts around the plant by gravity. The cross belt is another switch and the bridge belt brings the flow to the other half of the elevator.
This part of the workhouse was sheathed in fiberglass, but now you can see its insides from a mile away.
This tunnel goes to the adit over the Eagle River Mills. I bet those carts go fast down here!
Looking at the ghost sign from a rust-locked cement conveyor that linked the silos with a packing warehouse.
In an old ward, two men would have shared this room.
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.
When the ship loaders were added, a doorway was cut through the metal silo to make a room for the grain handling equipment. Note the dust sensor in the corner of the torch-cut archway.