{"iri":"https://folio.openlegalstandard.org/WKeb91iVSJGeZb9ZldDaEQ","label":"Underground Coal Mining","sub_class_of":["https://folio.openlegalstandard.org/DdTcr0IXSRq1sIEeV1eXNg"],"parent_class_of":[],"is_defined_by":"https://www.naics.com/six-digit-naics/?code=212115","see_also":[],"comment":null,"deprecated":false,"preferred_label":null,"alternative_labels":[],"translations":{},"hidden_label":null,"definition":"This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) underground mining of bituminous and anthracite coal; (2) developing bituminous and anthracite coal underground mine sites; and (3) underground mining and beneficiating (e.g., cleaning, washing, screening, and sizing) of bituminous and anthracite coal.","examples":[],"notes":[],"history_note":null,"editorial_note":null,"in_scheme":null,"identifier":null,"description":null,"source":null,"country":null}