Crushed and Broken Granite Mining and Quarrying

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… It has no schema of its own: companies here are mapped on the Universal schema, and what it does not cover is recorded as gaps.