About: http://webisa.webdatacommons.org/147145125

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	They are used to step off and divide distances, and to establish a point that is then marked with a pencil or other tool.
http://www.w3.org/ns/prov#wasQuotedFrom	achrnews.com