2002 NAICS Definitions
212312 Crushed and Broken Limestone Mining and Quarrying
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--
| Go to: | No change 1997 to 2002 | 2002 NAICS to 1987 SIC | 1997 Economic Census | Bridge Between 1997 NAICS and SIC |
| 2002 NAICS | 1997 NAICS | 1987 SIC | Corresponding Index Entries |
|---|---|---|---|
| 212312 | 212312 | 1422 | Agricultural limestone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Calcareous tufa crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Cement rock crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Chalk crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Chalk, ground or otherwise treated, mining and/or beneficiating |
| 212312 | 212312 | 1422 | Dolomite crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Lime rock, ground, mining and/or beneficiating |
| 212312 | 212312 | 1422 | Limestone (except bituminous) crushed and broken stone mining and/or beneficiatin |
| 212312 | 212312 | 1422 | Limestone beneficiating plants (e.g., grinding or pulverizing) |
| 212312 | 212312 | 1422 | Marl crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Riprap, limestone, mining or quarrying |
| 212312 | 212312 | 1422 | Riprap, limestone, preparation plants |
| 212312 | 212312 | 1422 | Travertine crushed and broken stone mining and/or beneficiating |
| 212312 | 212312 | 1422 | Tufa, calcareous, crushed and broken stone, mining and/or beneficiating |
| 212312 | 212312 | 1422 | Whiting crushed and broken stone, mining and/or beneficiating |
