About: http://webisa.webdatacommons.org/326416919

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	The structure was a conduit fed from a natural spring that ran for about 200 feet while dropping in elevation by about 20 feet.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com