Flare-Ups If you’re an Astra-Zenica representative and want to use this for some magazine ad, I’ll charge you a reasonable $10,000. Email me (ha)! Similar Images ...based on the tags: catwalks, grates, notes-to-self, signs... Coded writing on a pillar in one of the assembly buildings. The tunnels were full of bricked-up doorways. I wonder how many rooms under there are totally sealed from the outside world… These buildings were largely used as concentrators for the crushed rock, although I did spy some small mills inside these too. I love the ghost sign across these two elevators, originally built as Superior Elevator. It’s looking pretty rough. Standing between pockets 1 and 2. You brought hearing protection, right? In case power was lost, this manual signal could direct trains on and off the taconite trestle. Turning the pole would change the color of the light on top and the shape of the metal flags. Carvings on the back of a barracks building. A big sign marks where the elevated walkway is severed where Dock 2 used to meet Dock 3, now gone. Shadows of the rusty trestle and cold control towers on the Barker. Workers are preparing to swing over the sides of the boat to help secure her to the Minnesota Power dock.