Anthracite beneficiating (e.g., crushing, screening, washing, cleaning, sizing)

Anthracite mining and/or beneficiating

Breakers, anthracite mining and/or beneficiating

Cleaning plants, anthracite coal

Coal beneficiating plants, anthracite

Coal, anthracite, mining and/or beneficiating

Culm bank recovery, anthracite (except on a contract basis)

Hard coal (i.e., anthracite) surface mining

Hard coal (i.e., anthracite) underground mining

Pennsylvania anthracite mining and/or beneficiating

Preparation plants, anthracite

Screening plants, anthracite

Strip mining, anthracite, on own account

Washeries, anthracite