To engage the air brakes on locomotives without their power being on, air hoses would be attached during repairs. Compressed air also powered many of the tools used.
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...based on the tags: hoses, tracks...
This photo illustrates how vertical the complex is.
Kat dancing down the trestle, which is one of the highest in the state, standing about 100 feet over the road. Mamiya 6/Portra 160
The first 800 or so feet of the tunnel is finished with reinforced concrete. The test is raw stone. This is the spot where it switches. Side note: nailing this shot on film is one of my proudest light-painted moments.
The approach to the dock is rigidly geometric. I always thought its outline was beautiful against the lake that, by contrast, was always moving.
A washout two thirds of the way down the tram gave me a place to relax in the thin air.
A long exposure of the side of the coke ovens, lit by the nearby streetlights.
This is where the transformers were housed. Note the steel tracks in the floor for moving equipment around the building.
A look straight down into the chutes were taconite pellets would dump into the dock hoppers. Rebar was a safety measure to keep workers from being buried alive, were they to slip into the holes.
A broken signal light that would indicate to incoming engineers and brakemen the status of the dock deck. The streetlight-style lighting is a retrofit; originally the top of the dock would be lit by strings of lights suspended by towers on each side of the deck… a poor system according to the workers at Allouez who had the same lights.