NAICS
2122: Metal Ore Mining
This industry group comprises establishments primarily engaged in
developing mine sites or mining metallic minerals, and establishments
primarily engaged in ore dressing and beneficiating (i.e., preparing)
operations, such as crushing, grinding, washing, drying, sintering,
concentrating, calcining, and leaching. Beneficiating may be performed
at mills operated in conjunction with the mines served or at mills,
such as custom mills, operated separately.
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