<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Tunnel_in_Maryland> .
<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#label>	"Railroad tunnel in Maryland" .
<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway_building_or_structure_in_Marylor> .
<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Railroad_tunnels_in_Maryland> .
<http://caligraph.org/ontology/Railroad_tunnel_in_Maryland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway_tunnel_in_the_United_States> .