<http://caligraph.org/ontology/Natural_gas_power_station_in_Canada>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Natural_gas_power_station> .
<http://caligraph.org/ontology/Natural_gas_power_station_in_the_United_Kingdom>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Natural_gas_power_station> .
<http://caligraph.org/ontology/Natural_gas_power_station>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Power_station> .
<http://caligraph.org/ontology/Natural_gas_power_station_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Natural_gas_power_station> .
<http://caligraph.org/ontology/Natural_gas_power_station>	<http://www.w3.org/2000/01/rdf-schema#label>	"Natural gas power station" .
<http://caligraph.org/ontology/Natural_gas_power_station>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_natural_gas_power_stations> .
<http://caligraph.org/ontology/Natural_gas_power_station_in_Australia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Natural_gas_power_station> .
<http://caligraph.org/ontology/Natural_gas_power_station>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_natural_gas_power_stations> .
<http://caligraph.org/ontology/Natural_gas_power_station>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .