<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_the_United_States> .
<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Power_station_in_Maryland> .
<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#label>	"Natural gas-fired power station in Maryland" .
<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_Maryland>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Natural_gas-fired_power_stations_in_Maryland> .
<http://caligraph.org/ontology/Natural_gas-fired_power_station_in_Maryland>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .