About: source of natural gas

Head noun: source
Postmodifier: of natural gas

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
marcellus shale	isap:153854479	0.586978
shale gas	isap:212652695	0.582803
coalb methane	isap:272594247	0.539993
pipeline	isap:478751550	0.529406
shale	isap:153854461	0.517067
united states	isap:390744495	0.509389
methane hydrate	isap:273887760	0.438329
russia	isap:385504659	0.390685
gas	isap:212652758	0.332325
iran	isap:306738147	0.326365
landfill	isap:483262341	0.252922