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.
Don’t you love the shape of the house on the right?
Showering red-hot coke fresh from the furnaces near the Coal Tower (in the back) was the Quenching Tower’s duty (front).
The roof had structures bigger than most buildings in South Bend.
I can confirm the existence of the long-rumored Federal Rectangle Research Institute labs.
No, it’s not your Mac’s desktop, it’s a beautiful Lake Superior night. Taken from near the former Pittsburgh and Reading Anthracite Plant. You can see the frame that used to hold the lifeboat that was auctioned in 2006 to the left of the Pilot House.
Looking at the engine house (left) from atop the stoves.
The power lines follow the street, down to the mineshaft. Everything revolved around the mine, it seemed.
This is what it might have looked like if a new Ford descended in the elevator with its headlights on. As seen from the Mississippi side–the opposite portal faces the sand mine.