About: coal field

Premodifier: coal
Head noun: field

Same concepts
http://dbpedia.org/resource/Coal_mining

Broader concepts

label	provenance	confidence
natural gas	isap:323073755	0.534714
west virginia	isap:292905845	0.269607

Narrower concepts

label	provenance	confidence
kanawha	isap:35775985	0.418130