<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Hiking_trails_in_Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Long-distance_trail_in_the_United_States> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/National_Park_Service_area_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/National_Park_Service_area_in_Virginia> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Virginia> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Hiking_trail_in_Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/National_Park_System_area_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_areas_in_the_United_States_National_Park_System> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_hiking_trails_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Potomac Heritage National Scenic Trail" .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2000/01/rdf-schema#label>	"Potomac Heritage Trail" .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Environment_of_Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/National_Park_Service_area_in_Washington,_D.C.> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Hiking_trail_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_scenic_trails> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/United_States_National_Park_System_official_unit> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/George_Washington_Memorial_Parkway> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_National_Park_System_areas_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Units_of_the_National_Landscape_Conservation_System> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Long-distance_trails_in_the_United_States> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Scenic_trail> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Unit_of_the_National_Landscape_Conservation_System> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Potomac_Heritage_Trail> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:National_Park_Service_areas_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:National_Park_Service_areas_in_Virginia> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Potomac Heritage Trail" .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:National_Park_Service_areas_in_Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_long-distance_trails_in_the_United_States> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/National_Park_Service_area_in_Pennsylvania> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Hiking_trails_in_Virginia> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/American_Discovery_Trail> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Area_in_the_United_States_National_Park_System> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_the_United_States_National_Park_System_official_units> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Hiking_trails_in_Maryland> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Gulf_Branch> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Heritage_trails> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/National_Conservation_Lands> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Riverbend" .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:National_Park_Service_areas_in_Washington,_D.C.> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Park_in_Washington,_D.C.> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Heritage_trail> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Potomac Heritage" .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/History_of_the_National_Park_Service> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Parks_in_Washington,_D.C.> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Hiking_trail_in_Virginia> .
<http://caligraph.org/resource/Potomac_Heritage_Trail>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Washington,_D.C.> .