About: http://webisa.webdatacommons.org/104220927

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	of 110 feet diameter within, and 10 feet wide at the top, including the thickness
http://www.w3.org/ns/prov#wasQuotedFrom	british-history.ac.uk