Mining
Innovative Underhand Closed Bench (UCB) Mining
Innovative Underhand Closed Bench (UCB) Mining Increases Safety and Productivity
#Innovative #Underhand #Closed #Bench #UCB #Mining
“Hecla Mining Company”
Learn about Hecla’s Underhand Closed Bench (UCB) mining process and how this innovative method is increasing safety and productivity at the company’s Lucky Friday Mine in Idaho.
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