This seemed to be the newest building on the property.
The building on the right was where parts not assembled onto vehicles would be set in crates for shipment.
Pillars painted red indicated firefighting supplies. Fire was a very common enemy of early rail facilities, and many roundhouses burned down because of a combination of dry wood, hot, fire-breathing machinery and countless oil-saturated surfaces.
Dominion was acquired by UGG, which designated the elevator ‘M’. Their offices still have safety signage.
The floor IS the machine…
The right passageway is a carved staircase that winds upward to an old entrance. The left portal is one of the bigger and well-carved rooms… I would guess it’s part of the original caves.
Looking from the ‘crack’ that shows a collapsed tunnel into the dry house, in the direction miners returning home would walk. Note smoke lines above door.
This bay would host boxcars as workers would fill them with the fruits of the factory.