About: http://webisa.webdatacommons.org/343379833

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	Invention and ingenuity were the order of the day in early Portland as people sought to improve the interior climate of their homes and other buildings.
http://www.w3.org/ns/prov#wasQuotedFrom	visitahc.org