Kodak Tri-X 400/Leica M7. The office (first floor), laboratory (second floor) and mill behind it. Everything was clean and pristine.
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.
2015. Water damage hastens the decay of the annex and its stage. Every time I visit this room, the chairs are in different places. Kodak Portra 400 in a Voigtlander Bessa.
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.
An insurance office.
Before the gold could be extracted, the rock was turned to powder. Depending on the size of the steel balls inside the mill, the rock would be reduced to a certain size. So, multiple mills were usually used in stages.
The stonework was done by a local handyman of sorts, who was also a guard at a nearby insane asylum. He did a great job, it seems to me.
The roof compromised, rain water rolls down the main stairway.