About: acid drainage

Premodifier: acid
Head noun: drainage

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

Broader concepts

label	provenance	confidence
source of water pollution	isap:483464891	0.621736
pollutant	isap:185070298	0.612516
global problem	isap:346748309	0.587379
water pollution	isap:185085212	0.576011
problem	isap:346748300	0.574317
toxin	isap:363604088	0.535550
environment	isap:82831963	0.534385
pollution	isap:185085214	0.505560
mining	isap:480122760	0.490785
issue	isap:359875250	0.420441
water	isap:358004935	0.347592

Narrower concepts

label	provenance	confidence
greens creek	isap:297265956	0.705896