About: http://webisa.webdatacommons.org/52794521

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 lines 16-20 are positioned on the bed of fill F, which can include material such as gravel, that is built up from the trench bottom 46 about 6 inches.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com