MPE3- Manpower The control room for Manitoba Pool Elevator #3 was the most modern of any I saw in Thunder Bay. Apparently, 25 men were working on the day this elevator shut down. Related Similar Images ...based on the tags: circles, control-panels, grimy, signs... When the Mitchell project is complete, I’ll miss the textures on the face of the boiler. The Dock 5 sign at track level. Probably as an aid to sailors reboarding their vessels. This belt-run axle ran a turbine (now gone) to blow fresh air into the mine. A little catwalk gives access to the most important gauges in the building. Behind them are huge vents and fans. I bet it got steamy in here. This picture shows the challenges of moving around underground in the base. Sour mash had to be fermented before being used for whiskey making. Nearly all bourbon uses it. This building seemed like a pump house or compressor house. It was full of empty concrete mounts. Sunset through a stained window in the headhouse made the floor feel like a heavy industrial Disney movie. Looking out of the brewhouse toward the river.