About: http://webisa.webdatacommons.org/116050036

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	Stones used in the base course 21 are labeled as ???B??? to designate their position as base course stones and a number, such as B-1, B-2, and so forth, to designate each stone's position in the base of the stone wall.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com