Blast Door II One of the many blast doors. Note the plunger to seal off the airflow in the event of an attack or accidental explosion. Related Similar Images ...based on the tags: blast-doors, green, grimy, rusty, steel... One of the early automated painting booths in the paint plant line. The green-tinted skylight makes this a bright green corridor, the lower of the two skyways connecting the two workhouses. The rust garden’s brick centerpiece contrasts the muted winter Kentucky palette. If it weren’t for the fact there were trees growing from it, and that I cropped out the end of the rail approach, one might think this is still used occasionally. The meticulously tiled dry house shower floor–cracked by frost. Power-up to cool down… would have been nice on the hot day I climbed on top of this machine. Two bin signs criss-cross in the North Annex. There were bins with hundreds of spools in them in the basement. 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.