USGSAssessmentYear

URI: https://gptkb.org/prop/USGSAssessmentYear
5 triples
GPTKB property
Random triples
Subject Object
gptkb:Barnett_Shale 2003
gptkb:Bakken_Shale 2013
gptkb:Bakken_Formation 2013
gptkb:Bakken_oil_field_region 2013
gptkb:Barnett_Shale 2015