Coal Hogs Work Safe 99% Invisible
Sep 11, 2017· He was also issued a yellow hardhat that identified him as a rookie, and given his first reflective coal mining stickers. He put one on his new hardhat and saved one in a box, later putting it into an album. Ronnie Johnson. Today, after 34 years as a miner in Alabama, Ronnie has filled several photo albums with thousands of stickers.