The spiral staircase ends in the basement, where two oil tanks (for the lantern) and a freshwater tank (for the Keeper) were stored. The basement consists of two long arched vaults like this.
The Atlas D command building. As Brutalist as it gets.
I wonder when fluorescent lighting was added.
The chapel (left) and surgical suite (straight on) move in an out of view as fog rolls up from the St. Louis River valley.
Some local kids were having a fire extinguisher fight when I walked into the lab one day.
Blast Furnace 7 as seen from the ore yard. Imagine running up those stairs through blast furnace smoke.
Between two brick buildings is a metal one with many windows set into it. Having been in many mills of similar design, I conjecture that this was the milling building, where machines ground the corn before it was boiled.
Steam pipes snake up the walls like vines, but with asbestos.
The back side of the hotel is plain, but for a fire escape.