I believe these hooks were meant for hanging filters to dry.
A cracked sign at dock-level, where loading boats would be tied below the taconite conveyors. All across the surface of the concrete dock were taconite pellets, like slippery little marbles. One wrong step could put a worker in the water, which is a bad, bad place to be.
A typical hallway in the rocket assembly line.
Looking at ADM-1 from beside ADM-4, back when ADM-4 had a train shed and ADM-1 had a skyway. In the thick woods beneath the skyway was a long time homeless camp… most of its residents were very friendly.
Candy jar molds, in the far corner of the paint shop.
When it was convenient, the sugar company would pull equipment, even pipes, from one mill for another.
A great lakes freighter slowly passes SK Wheat Pool 4 with ‘The Sleeping Giant’ in the background. Arista 100.