Mounted in an office.
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...based on the tags: left-behind, rusty...
Blending the explosive ingredients was dangerous. It is no wonder that the blending house had so many emergency slides.
Because the shaft is nearly vertical, rocks riding inside shift a lot. To keep them from breaking down the door and raining into the shaft.
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.
The shaft house, where hydraulic steel doors allowed or denied entry into the mine shaft. Overhead is a light and alarm. If it sounds, the mine is being evacuated, and you best not go in and best stay the hell out of the way. Locals dump tires here, now.
One of a few dozen steel bed frames left in the rubble of the collapsing building.
Limits on personnel and explosives allowed in the building at the same time.
The hoist signal dangling beside the modern mine shaft would ring a bell next to the giant electric motors that would send the men and machinery into the underground.
Prize Mine has been the victim of erosion. Its north wall is pushed in by rockfall and its south side is far from ground level.
A rusting disconnect gangway. The smokestack is for a boiler, if I recall.