Old Security Checkpoint An abandoned gatehouse bearing the name of the former factory. Related Similar Images ...based on the tags: boarded-doors, broken-windows, guard-shack, shadows, signs, snow... This building had the rusty remains of a few mattresses, likely used in the 1940s when this site was last occupied. The workshop sat below the main working floor and had serious power going to it. I love the texture of the rust through the decaying yellow paint. 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. A window for light and air pokes above the big arch in the hallway. Most of the interior ceilings were broad brick archways. Looking up the tallest structure left at ACME. A tunnel between the outside gate and the courtyard shared by the barracks. Preparing to drive up the narrow road into Picayune Gulch, which was barely wide enough for my SUV. Looking toward Sleeping Giant from the workhouse.