mine
An excavation for extracting minerals, coal, and similar substances, especially with underground shafts and/or tunnels; may include related facilities such as a head house and components such as chamber, gallery. (Bucher, 1996)
An excavation for extracting minerals, coal, and similar substances, especially with underground shafts and/or tunnels; may include related facilities such as a head house and components such as chamber, gallery. (Bucher, 1996)