Establishments primarily engaged in producing anthracite or in developing anthracite mines. All establishments in the United States that are classified in this industry are located in Pennsylvania. This industry includes mining by owners or lessees or by establishments which have complete responsibility for operating anthracite mines for others on a contract or fee basis. Also included are …
Examples: Anthracite mining, Breakers, anthracite, Coal mining, anthracite, Culm bank recovery, anthracite except on a contract