This is the former air compressor house–one of them, at least–which turned steam power into air power to drive machinery across the production line.
Archeologists believe the great house on the mesa was rebuilt shortly before it was abandoned in the 13th Century AD. Tri-X 400 Film, haphazardly self developed.
Model: Devan. Instagram: sextmachine
Wagons and horses were kept in the building on the left, separate from the rest of the complex in case of fire. In the distance is the boiler house, separate for the same reason.
While the maps name this the compressor house, I believe, based on its size and number of heavy machine mounts, that it also housed the pumps to drain the mine.
Peeling paint reveals the room numbers of the past. Kodak Trix-400 on Canon T40.
This is a room where the actual explosive elements were mixed. In the event of an accident, this glass wall would give way before the concrete and thus direct the flames and shockwave away from the rest of the building. In other words, the glass is not just to get a lot of wonderful natural light into the building.
One of the few artifacts left in the chapel section is this old floor buffing machine.
While it looks like ground level, everything here is one story above the actual earth.