Ghost The concrete annex elevator had interesting graffiti. Much of it from the 1980s and 1990s. Related Similar Images ...based on the tags: concrete, ghosts, graffiti, shadows, silos, skyways... The mill was powered, in part, by water flowing through turbines under it. After the flow worked the industrial heart of the flour mill, it was exit to the Mississippi here. This section retains water and is mostly shaded, so moss has found a way to live in the concrete. The only thing that signals that this was an office building, rather than another production floor, is the small amount of wood paneling that remains. A view of the hallway outside of the auditorium. The State School stage, taken as it was getting scrapped. Spring melt flows down the rusty rock house. In the background is the frame for the shaft. The skyway’s steel substructure collapsed slightly, crushing part of the dust collectors. Ruined cars abandoned in the generator hall, long after its namesake was scrapped.