About: http://webisa.webdatacommons.org/31948527

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	He showed a 1789 chart, published to allow travelers to note their observations for such variables as productivity and land value.
http://www.w3.org/ns/prov#wasQuotedFrom	fpba.com