Some of the doors had sliding plastic windows, but most of the older ward doors simply had these peep holes drilled through them. The inside was always marked and worn more than the outside.
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.
This sign was important when trains ran the length of the elevator.
A warped mirror in the rock crusher at the rear of the complex.
2016. A section of the third floor that has changed a lot over the years. Compare to 2006 shot.
Typical bunk rooms in MS-20.
The front door to the auditorium.
The big door at the bottom of the concentrator was where a tram once connected to lower the (pre-) processed ore into the river valley, where the railroad was. It’s unclear whether this ever connected directly to Eureka’s Sunnyside mill, although it’s possible.
The first step of the filtering process is being spun through this tube.