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Adj.1.deep-mined - of coal, as contrasted with coal obtained from a strip mine; "deep-mined coal"
mined - extracted from a source of supply as of minerals from the earth
References in periodicals archive ?
Deep-mined coal from under the Forth fed the Longannet power station until a disastrous flood in March 2002
The Trade and Industry Select Committee's report on energy policy called on the Government to safeguard Britain's ability to produce deep-mined coal.
He said: "We want to preserve as much of the deep-mined coal industry as we possibly can.