<http://caligraph.org/ontology/Shipwreck_of_Lake_Huron>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_of_the_United_States> .
<http://caligraph.org/ontology/Shipwreck_of_Lake_Ontario>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Shipwrecks_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_of_Lake_Superior>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Great_Lakes_ship> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_shipwrecks_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_of_Lake_Michigan>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/2000/01/rdf-schema#label>	"Shipwreck in the Great Lakes" .
<http://caligraph.org/ontology/Shipwreck_of_Lake_Erie>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .
<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_lakes> .
<http://caligraph.org/ontology/Shipwreck_of_the_Wisconsin_coast>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Shipwreck_in_the_Great_Lakes> .