Catwalk Above Overgrown Industry The ‘working’ part of the furnaces are about a story above ground level, so the catwalks snake above the tree line. Related Similar Images ...based on the tags: catwalks, graffiti, grimy, heights, lights, pipes, rusty, skyways... These copulas made the iron for casting. On the dark side of the workhouse at sunset, you can almost see where the walls used to be. Kodak Portra 160/Mamiya 6. It’s never a good sign when the windows are boarded from the inside. I did not take the escape ladder to the surface, but I am told it pops up in the middle of a hill next to the missile silo doors. The steam-powered hoist that pulled ore and dropped men from the mine. Note the hydraulic-operated brake on top with its massive brake pad. Now scrapped. Chutes connect the bottoms of the silos to a conveyor belt. The powered lime hopper had a lot of levels. Looking down the kiln line from atop the furnaces.