275- Coal Hogs Work Safe

from  99% Invisible

Sep 12, 2017

Coal miner stickers started out as little advertisements that the manufacturers of mining equipment handed out. Even before the late 1960s, when mining safety laws started requiring reflective materials underground, miners used those stickers to stay visible to each other in the dark mines. As time passed, the stickers evolved. They became more personal and started to tell miners’ stories. And the mine companies themselves started printing stickers for their workers. Stickers went from simple a...more

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