Can’t You Read? See left. Related Similar Images ...based on the tags: hats, left-behind, notes-to-self, numbers, pillars, worker-graffiti... Since this picture was taken, the roof has totally collapsed in this area. Lessons from the day. The underside of the dock seemed almost like a cathedral to industry with vaulted ceilings. This might have been part of the Pioneer Pellet Plant. It looks to be a ball mill, which pulverizes ore by spinning it with thousands of ball bearings. Sliding curtains gave a little privacy to the residents of this room, which looked and felt more medicinal than most of the other multi-patient rooms. The remains of the site radar beside the command building. “W.B.R. 1974” A ‘Hot Metal Car’ that would transport molten steel across the ‘Hot Metal Bridge’ from the furnaces to the mills.