About: http://webisa.webdatacommons.org/287516814

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	This rock was a mortar - a grinding stone - used by Native Americans living in present-day Whately, Massachusetts.
http://www.w3.org/ns/prov#wasQuotedFrom	mass.edu