To dig from

to get out or obtain by digging; as, to dig coal from or out of a mine; to dig out fossils; to dig up a tree. The preposition is often omitted; as, the men are digging coal, digging iron ore, digging potatoes.

See also: Dig

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.