Until 1986 canaries were used to warn of danger in underground coal mines. The small birds were kept in cages near miners to warn of gas leaks. If poisonous gases were unearthed, they would kill the canary...
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The definitive guide to mining operations and excellence.
Established in 1909 by Herbert Hoover, Mining Magazine provides comprehensive technical insight into mining operations. It aims to inform and support mine management in decision-making regarding mining techniques, technologies, workforce, logistics, and supply chains.