About: http://webisa.webdatacommons.org/181864667

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	Especially in the mid period (17th ??? early 19th C or so) there was a period of great volcanic activity.
http://www.w3.org/ns/prov#wasQuotedFrom	climateaudit.org