<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_locks_and_dams_of_the_Ohio_River> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_Pennsylvania> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_Indiana> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_Ohio> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#label>	"Lock or dam of the Ohio River" .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_West_Virginia> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_Illinois> .
<http://caligraph.org/ontology/Lock_or_dam_of_the_Ohio_River>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_in_Kentucky> .