Terms to Know
Coal
A black or brownish sedimentary rock made from organic sediment
Lignite
A soft coal formed from peat, usually dark brown in color
Reclamation
Returning mined land back to its original condition
Mining
The process of removing coal from the earth
Sediment
Fine particles (like silt or sand) carried by wind or water
Overburden
Layers of soil and rock found above a coal seam
