212312 - Crushed and Broken Limestone Mining and Quarrying US
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa); and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing). Cross-References. Establishments primarily engaged in-- ? Producing lime--are classified in Industry 327410, Lime Manufacturing; and ? Mining or quarrying bituminous limestone--are classified in U.S. Industry 212319, Other Crushed and Broken Stone Mining and Quarrying.