One of the staircases that connected the lab, the plant, and the offices.
A yellow house above the mineshaft.
The first floor of the Industrial Loft building.
A reminder to the manlift riders to get off the belt before they hit their heads on the ceiling. This is the top level of the headhouse, where dust collectors would extract most of the grain bits from the air to reduce risk of explosion.
Gopher Ordnance Works, aka the U-Lands, is a landscape where roots and boughs break apart concrete and steel.
The top of the headframe, and in a sense, the mine itself. This pulley carried the life line of the mine and the men in it.