Crushed & Broken Limestone Mining & Quarrying
Key Figures
Figures are published for NAICS 212312 directly.
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Official definition
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).
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Crushed and Broken Limestone Mining and Quarrying covers establishments that mine, quarry, or beneficiate limestone and closely related carbonate rocks such as dolomite, cement rock, marl, travertine, and calcareous tufa. This code is distinguished from Dimension Stone Mining and Quarrying, which extracts rough blocks and slabs rather than crushed material. Crushed and Broken Granite Mining and Quarrying covers granite and related igneous rocks, while Other Crushed and Broken Stone Mining and Quarrying covers all other crushed stone types including marble, sandstone, and bituminous varieties.