About: http://webisa.webdatacommons.org/287984062

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 wearing course was a sort of native concrete called "slurry, a mixture of crushed rock, sand, clay, and water.
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org