Down For Repair Behind the evaporators are heavy access hatches to inspect the steam pipes within. Similar Images ...based on the tags: blur, bolts, rusty... The pipes in the boiler would be full of water, so the heat in the furnace. The two exhaust vents coming out from the boilers en route to the stacks. Plywood marks where where catwalks were removed to extract equipment. The UP gets a lot of snow, making exploring its old mines a special challenge in the winter. The snow is more than 6 feet deep in this picture, and firm enough to walk on. In the women’s restroom. 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. A closeup of one of the winding machines that found itself under a leaky section of roof. The sign that greets visitors to the ghost town of Colmor. Nothing says ‘welcome’ like birdshot. A staircase threads between the top floor and the sluices, which are in the middle of the dredge-mill. The conveyorway between the on-site grain elevator and mill.