http://caligraph.org/ontology/20th-century_natural_disaster

CaLiGraph

Property	Value
rdf:type	owl:Class
rdfs:label	20th-century natural disaster
rdfs:subClassOf	20th-century disaster Earthquake
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Category:20th-century_natural_disasters
is rdfs:subClassOf of	20th-century flood 20th-century earthquake

About: clgo:20th-century_natural_disaster