Different doors for different vehicles, I would guess. White Pine Mine used tire-based vehicles, rather than track-based, making it pretty different than other mines I’ve been to.
Looking down a manlift on the ore dock side of the elevator. It’s a belt-less belt-o-vator!
One of a few rolling workbenches to keep the thousands of pulleys, cogs, and belts working properly.
The King Elevator is connected by a manlift and this spiral staircase. The manlift was down–can you believe it? Note the cool turns in the vertical railings. Arista 100 on 120.
In the modern control room at the base of the white elevator tower are the electronics that ran the newer building, its rail components and boat-loading component. The superstructure permeates all spaces here, as can be seen with the crossing I-beams in the main office.
Looking up from the industrial courtyard.
Before developers saw to cut and cut the flour mills inside Pillsbury, they stood at the ready beside various purposeful chutes the traversed the floors of between sorters. These machines were belt-driven by the power of Pillsbury’s Mississippi headraces and turbines, the force of which notoriously shook the building’s foundations themselves. The wheels would change the grade of the flour, or the size of the dust produced from crushing the kernels.
Looking at the boarded exterior of the newer area of the orphanage from its 1914 section.