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.
A ‘Hot Metal Car’ that would transport molten steel across the ‘Hot Metal Bridge’ from the furnaces to the mills.
Above the altar are faded murals. Here’s the Holy Grail.
Hunter and the Hoist House.
The windows reflect the sky. The bricks hit the ground.
If you look carefully along the side of the slip alongside this image of Cargill B-2, you will see the remains of the crane stops when this was a Hannah coal dock.
In the upper left of the image you can see where the gas tanks used to be, along with the concentration equipment. Along the bottom you can also see some of the many railroad tracks coming and going from the plant–the ones visible here were incoming tracks that carried in hard coal from the eastern US.
Looking north from the east portal of the tunnel… a beautiful place. Wilderness. Mamiya 6/Portra 160