Trommel The first step of the filtering process is being spun through this tube. Related Similar Images ...based on the tags: cables, circles, dirty, machinery, pipes, rusty, staircases, trommels, tubes... One of the ugly modern staircases. A jankey ladder leads to a platform over a wooden tank. Here’s hoping my usage contributes to jankey being accepted into the dictionary! Thanks, lexicographers. The basement of the laboratories is the home of the ore grinder. I’m sure it was noisy. Looking across the whole milling operation from its dedicated powerhouse stretching across Eagle River. The sun sets in front of a huge concrete building—about four times the size of the power plant. Probably a corn storage bin from an ethanol operation that ran here in the 1980s. This low brick building is interesting to me. Inside the towering offices, Firestone-colored staircases connect senseless rows of wood-paneled offices. Under the monster and its teeth. Snow flies across the frame as the sunken cribbing freezes bellow the concrete.