212319 Other Crushed and Broken Stone Mining and Quarrying

This U.S. industry comprises establishments primarily engaged in the following:

  1. developing the mine site and/or mining or quarrying crushed and broken stone (except limestone and granite);
  2. beneficiating (e.g., grinding and pulverizing) stone (except limestone and granite); and
  3. mining or quarrying bituminous limestone and bituminous sandstone.