These machines circulated water through the powder from the ball mills. Gold and silver is heavier than gravel, so it sinks while the junk rock floats.
Next to the generator room is the pump room, which moved steam around the complex.
Installed in 1904 at the center of the plant, this is one of two batteries of boilers. Being in Oshkosh, heat was very important to keeping labor moving in the cold months.
When I revisited the mine in 2013, the hoists were scrapped and sitting by the road.
On the Turbine Room floor, one old steam pump still remains, ready to pressurize steam pipes with the hot stuff throughout the car shops and boilers.
The elevator tower seems to have been built with expansion of the dock in mind.
One of the pair of motors that powered this mine shaft. In the 1950s, this shaft was designated a rescue shaft, and was only maintained for emergencies. One reason that Cheratte built Shaft 3 nearby was because these motors and infrastructure did not have the capacity that the giant mine below called for.
Either the company was pulling parts from this evaporator to use as parts for other plants, or the last thing the workers did was to get this machine ready for the next campaign. Either way, plans changed.