<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_rivers> .
<http://caligraph.org/ontology/American_Civil_War_shipwreck_in_the_Mississippi_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River> .
<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River>	<http://www.w3.org/2000/01/rdf-schema#label>	"Shipwreck of the Mississippi River" .
<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_of_the_United_States> .
<http://caligraph.org/ontology/Shipwreck_of_the_Mississippi_River>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Shipwrecks_of_the_Mississippi_River> .