<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Construction_and_civil_engineering_company_of_the_United_States> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Keystone Bridge Co." .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_companies_established_in_1865> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Construction_and_civil_engineering_companies_established_in_1865> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Pittsburgh> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Civil_engineering> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/foundingYear>	"1865" .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/American_company_established_in_1865> .
<http://caligraph.org/resource/Dunleith_and_Dubuque_Bridge>	<http://caligraph.org/ontology/architect>	<http://caligraph.org/resource/Keystone_Bridge_Company> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1865_establishments_in_Pennsylvania> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Keystone_Bridge_Company> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Technology> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Construction_and_civil_engineering_company_established_in_1865> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/location>	<http://caligraph.org/resource/Pennsylvania> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/product>	<http://caligraph.org/resource/Construction> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/product>	<http://caligraph.org/resource/Bridge> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1865_establishment_in_Pennsylvania> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/2000/01/rdf-schema#label>	"Keystone Bridge Company" .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Companies_based_in_Pittsburgh> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Construction_and_civil_engineering_companies_of_the_United_States> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Keystone Bridge Company" .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Company_based_in_Pittsburgh> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/keyPerson>	<http://caligraph.org/resource/Andrew_Carnegie> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Bridge_company> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://caligraph.org/ontology/industry>	<http://caligraph.org/resource/Design> .
<http://caligraph.org/resource/Keystone_Bridge_Company>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Bridge_companies> .