Oven Valves In what has turned into a kind of industrial courtyard between four ovens some people have posted their tags. X was here. Similar Images ...based on the tags: bolts, chains, circles, graffiti, moss, pipes, steel, valves... This is a typical view of the factory; most of it was long hallways flanked by piles of equipment and access points to maintain them. Fall in line, act skinny, watch out for low hanging pipes. Don’t ask me where in the maze this was… 90% of the plant looked like this; vast rooms and catwalks with crisscrossing pipes and valves. A chalkboard halfway to the headhouse is untouched since the mill closed. It still has the cheat sheets! Standing next to the now-demolished records room. These machines are at least 100 years old. The neon lighthouse, seen from the top of one of the silos. Furnace #6; its catwalk and tapway. Note the lever-operated gutter-blockers. The boiler doors are beautiful, and feature the name of the smelter and mine company. If you like these, check my article on the Mitchell Yards of Hibbing, MN. Easier-to-demolish parts of the power plant were torched apart. Catwalks to nowhere meant lots of dead ends.