About: http://webisa.webdatacommons.org/226783021

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Cinder cones are the steepest of volcanoes, with slopes of 30 to 40
http://www.w3.org/ns/prov#wasQuotedFrom	scienceclarified.com