Lucara Diamond Corp Selects Group R for Major Lateral Development Works at Karowe Underground Mine in Botswana Canada-headquartered Lucara Diamond Corporation has awarded the lateral development contract for its Karowe Underground Project (UGP) in Botswana to Group R Mining and Exploration Botswana. The contract covers all underground lateral development linking the production and ventilation shafts to the orebody. This includes construction of the extraction level, underground crushing chamber, fine ore bins, pump stations with vertical
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