coalProduction

URI: https://gptkb.org/prop/coalProduction
3 triples
GPTKB property
Random triples
Subject Object
gptkb:Powder_River_Basin over 40% of U.S. coal
gptkb:SUEK_Group over 100 million tonnes per year
gptkb:Gedling_Colliery over 1 million tons per year at peak