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.
The old boilers of the steam plant have been mostly gutted to remove loose asbestos.
During the Cold War, the Air Force used the radar station to train bombardiers in radar-guided ordinance.
Safety signs decorated every floor, machine and, yes, door. This message spoke to me for reasons my coworkers will understand; suffice to say, I need to take this message to heart.
A bird near the old schoolyard.
The first step of the filtering process is being spun through this tube.
A scrapped steam turbine, perhaps. In the background you can see a gutted casing for another turbine.
One of the oldest buildings had a wide central staircase with well worn steps. They were utilitarian and beautiful.