There are a few campers parked in the abandoned buildings around the NAD. I am guessing that they were once a more secure place to store such things OR they have always been wide open, and this was a quick and free way to dump unwanted toys.
A Kiva is an underground, or partly underground, chamber for ceremonies.
A simple porcelain fountain in the original brewhouse. The water fountain, no doubt, is not original.
The whole smelter ran on gravity… elevating the various raw materials and working with them until at the bottom of the furnace, copper poured out.
Labeling line elevator.
The superstructure for the sea-leg skyways serves no purpose now… the offices are bricked up, too. Why?
Behind one of the kitchens is one of the few pieces of furniture remaining. Beside it, a small electric space heater–small by 1970s standards.
Another. Planet. Coal crushers and the coke loading line.
Chutes connect the bottoms of the silos to a conveyor belt.