deep-mined coal.    From Wordnet, Princeton University. 

Even 25 years ago, deep-mined British coal from narrow seams could not compete in price with open-cast coal from Australia.    From Wordnik.com.  [Home | Mail Online] Reference

Thorp also asserts that UNC's coal suppliers do not use mountaintop-removal coal and that most of it is deep-mined bituminous coal.    From Wordnik.com.  [Independent Weekly: All Recent Stories] Reference

Thatcher didn't "force us to stop mining coal", she just stopped forcing the generators to pay grossly inflated prices for domestic deep-mined coal.    From Wordnik.com.  [Evening Standard - Home] Reference

Mitchell wanted them instead to have the option of simply purchasing lower-sulfur coal strip-mined from Wyoming in place of West Virginia deep-mined coal.    From Wordnik.com.  [The Full Feed from HuffingtonPost.com] Reference

Nevada County Transportation Commissioner and Truckee Town Council member Carolyn Wallace Dee said Ice Slicer is a deep-mined natural salt from Utah.    From Wordnik.com.  [Sierra Sun - Top Stories] Reference

The oil well was mined and deep-mined (ph), that.    From Wordnik.com.  [CNN Transcript Mar 24, 2003] Reference

Fell in long line, like deep-mined castle wall.    From Wordnik.com.  [The Legends of Saint Patrick] Reference