Diesel Lab I The largest room was the diesel laboratories, which tested various devices and fuel additives to make it safer to mine underground with diesel trucks and other machinery, such as at White Pine Mine, Michigan. Similar Images ...based on the tags: doors, laboratories... The ADM Quality Assurance Labs haven’t changed much, except for that it has become a common home for the homeless. The quality assurance labs were no doubt a busy place. On the extended engine bay… A typical narrow hallway at Birtle. On the second floor of the kettle building where corn mash was boiled, holes where tanks once sat were everywhere. Miscellaneous math and strange instructions remain all across the shipment section walls. Sadly, this section likely fell into disrepair before the others. The blacksmith shop is pretty rugged looking. Through the door you can see the collapsed walkway that might have once connected to a building covering the Santiago Tunnel adit. In the back of the warehouse is the old incinerator, probably used to destroy kegs that could not be reused. A big sliding fire door opens onto a train dock.