Diesel Doors The new steel door of the diesel car shops, built in 1948 and used through the 1960s, as seen from the service pit. On the top of the photograph you can see the exhaust vent. Similar Images ...based on the tags: doors, peeling-paint, rusty, tracks, vents... The ADM Quality Assurance Labs haven’t changed much, except for that it has become a common home for the homeless. I don’t think we’re anywhere near maximum pressure anymore. Frontier Gas is a former (?) gas station chain. Chain O’ mines reused a scrapped sign to mark their mill. Under the paint you can barely make out: GLORY HOLE GOLD MILL. Let’s play a game called “FIND THE PIGEON”! There is one bird in this photo of dust collectors atop the King Elevator train shed. The elevator is stuck between floors. A set of air intakes and exhaust pipes over the buried communications and control equipment rooms. The last trace of Mitchell, Minnesota is a pile of cans on the side of the main street, Mitchell Avenue. These will be recognizable for another century or so, for future history-minded explorers. Atop Elevator ‘M’, formerly Cargill ‘O’. A sign on the corner of a laboratory remembers.