ELLENSBURG CEMENT PRODUCTS INC

Dimension Stone Mining and Quarrying

This includes establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone).

Other Crushed and Broken Stone Mining and Quarrying

This includes: (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

Construction Sand and Gravel Mining

This includes establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel.

Ready-Mix Concrete Manufacturing

This category includes establishments, such as batch plants or mix plants, primarily engaged in manufacturing concrete delivered to a purchaser in a plastic and unhardened state. Ready-mix concrete manufacturing establishments may mine, quarry, or purchase sand and gravel.