Hecla’s violations, occurring between 2009 and 2014 at its Lucky Friday mine and mill, cover both effluent limit violations and unpermitted discharges to the river and two of its tributaries. Hecla’s...
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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.
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