Cloverleaf Smelter Boilers 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. Related Similar Images ...based on the tags: boilers, leaves, machinery, mossy, pipes, rusty, signs... The sign that greets visitors to the ghost town of Colmor. Nothing says ‘welcome’ like birdshot. It seems like this pipe was made to return dust to the collector in the main workhouse from the annex. The building in the foreground–the old control booth–was arsoned in 2009. The laundry building, where many of the tunnels came to an end. It looks very East Coast industrial to me. One evening I spent an hour lighting tea candles through the tunnels below the elevator. It was a magical transformation. Scrappers tried to take this steel pulley out of Fisher, but it proved too heavy. The woman in the wall has the bed; is pulling it in; is holding you down… The last time the city sealed this door, they must have been changing out old road signs. One of the large barracks. All of them are overgrown like this.