Metal Sheer Cogs A massive steel sheer’s equally massive drive cog. Imagine the force. Related Similar Images ...based on the tags: gears, machinery, rusty... Atop Elevator ‘M’, formerly Cargill ‘O’. These ceramic bricks were likely from the fireproof tunnel that connected the elevators. Inside the pilot copper concentrator. Just across the North Dakota border, a rusty Milwaukee Road boxcar sits where it was shoved off the mainline. The grain elevator in the background marks the tracks, which is still used by BNSF. Compressors and turbines over the Eagle River. On the second floor of the former casket plant, which was retrofitted with a conveyor system to coat finished products. I wonder how sheltered workers on this mid-level catwalk that follows the ore chutes is in storms. Note the chunks of concrete stuck in the catwalk grates–the pockets (right) are falling apart. The pipes in the boiler would be full of water, so the heat in the furnace. The pilot house, lit with the lights of Superior.