21231 Stone Mining and Quarrying

This U.S. industry comprises establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone). Cross-References.

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--

This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, and/or mining or quarrying crushed and broken granite (including related rocks, such as gneiss, syenite (except nepheline), and diorite) and (2) preparation plants primarily engaged in beneficiating granite (e.g., grinding or pulverizing).

This U.S. industry comprises: (1) establishments primarily engaged in developing the mine site and/or mining or quarrying crushed and broken stone (except limestone and granite); (2) preparation plants primarily engaged in beneficiating (e.g., grinding and pulverizing) stone (except limestone and granite); and (3) establishments primarily engaged in mining or quarrying bituminous limestone and bituminous sandstone. Illustrative Examples: Bituminous limestone mining and/or beneficiating Marble crushed and broken stone mining and/or beneficiating Bituminous sandstone mining and/or beneficiating Sandstone crushed and broken stone mining and/or beneficiating Cross-References. Establishments primarily engaged in--