<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Drainage_basin_of_the_Atlantic_Ocean> .
<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Drainage_basins_of_the_Gulf_of_Mexico> .
<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/2000/01/rdf-schema#label>	"Drainage basin of the Gulf of Mexico" .
<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_riverMouth_Gulf%20of%20Mexico> .
<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Drainage_basin_of_North_America> .
<http://caligraph.org/ontology/Drainage_basin_of_the_Gulf_of_Mexico>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .