<http://caligraph.org/ontology/Construction_and_civil_engineering_company_disestablished_in_1970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Construction_and_civil_engineering_companies_disestablished_in_1970> .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_disestablished_in_1970>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Construction_and_civil_engineering_company_disestablished_in_the_20th_century> .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_disestablished_in_1970>	<http://www.w3.org/2000/01/rdf-schema#label>	"Construction and civil engineering company disestablished in 1970" .
<http://caligraph.org/ontology/Construction_and_civil_engineering_company_disestablished_in_1970>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .