One of the many blast doors. Note the plunger to seal off the airflow in the event of an attack or accidental explosion.
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...based on the tags: blast-doors, green, grimy, rusty, steel...
The Engine House’s boiler, which would have been fired all day all day, virtually from the day the shop opened until the day it closed.
The portal facing Taconite Harbor (at a healthy distance) is mostly closed. Some kids put bullet holes in it. Shooting down a long tunnel is extremely dangerous, and you should not do it, obviously. Mamiya 6/Portra 160
The view from the larry, looking out at the overgrowing coke oven top. Papers listed the order of the charges for each oven, noting the sticky doors and persistent leaks. Emergency respirators and rescue gear was stored close, as long exposure to emissions from the rusty hatches could make worker pass out on the top of the ovens.
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.
Exploring Dock 4 was a very different experience, since it was almost all metal.
Much of the plant depended on steam, not only for heat but for mechanical power.
Looking into one of the fire slides, designed to evacuate patients extremely quickly. In 1880, a fire completely destroyed the asylum at St. Peter, Minnesota, killing 30 patients.
Standing next to the now-demolished records room.
I like to imagine this as an old-timey radio microphone.