<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_people_with_surname_Roberts> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Ralph J. Roberts" .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/2000/01/rdf-schema#label>	"Ralph J. Roberts (geologist)" .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_geologists> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Ralph Roberts" .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/2007_death> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://caligraph.org/ontology/birthYear>	"1911" .
<http://caligraph.org/resource/Henry_G._Ferguson>	<http://caligraph.org/ontology/influenced>	<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://caligraph.org/ontology/almaMater>	<http://caligraph.org/resource/Yale_University> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1911_birth> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/20th-century_American_geologist> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_American_geologists> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/United_States_Geological_Survey_personnel> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1911_births> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:United_States_Geological_Survey_personnel> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Person_with_surname_Roberts> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Yale_University_alumni> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://caligraph.org/ontology/nationality>	<http://caligraph.org/resource/United_States> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Yale_University_alumnus> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Ralph_J._Roberts_(geologist)> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://caligraph.org/ontology/deathYear>	"2007" .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:2007_deaths> .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Ralph J. Roberts (geologist)" .
<http://caligraph.org/resource/Ralph_J._Roberts_(geologist)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Ralph_J._Roberts_(geologist)> .