I am not sure, but I think this section was a storehouse; it has two ramps that connect the rail yard outside and the blacksmith shop. On all of the historic doors that face that part of the yard, signs caution workers to look out for cars…
Looking down into the lunch building of an Atlas D, near the motors for the retractable roof. In this design, the roof separates to allow the missile to be erected into launch position.
It is unclear whether this area was for coal dumping or ore dumping, though the huge dents in the steel plating suggests the latter.
The many levels of catwalks make for a place where you can look from the ground floor to the roof, about 4 stories up.
In case power was lost, this manual signal could direct trains on and off the taconite trestle. Turning the pole would change the color of the light on top and the shape of the metal flags.
A number of skyways carried the production line across roads and railroad tracks in and around the plant. An identical skyway to this one was cut off sometime in the past decade (judging by the rust), probably for its steel.
On the dark side of the workhouse at sunset, you can almost see where the walls used to be. Kodak Portra 160/Mamiya 6.
The parking lot is in better condition than most of the complex. The left building is the lab.
Brewery Creek Waterfall, somewhere above Duluth. Lit with candles and a small LED panel. To me, it looked like a pipe pouring molten metal.