About: http://webisa.webdatacommons.org/201912239

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	Although the Bisbee district was the largest gold producer in Arizona in 1959, most of its gold was a byproduct of copper ore.
http://www.w3.org/ns/prov#wasQuotedFrom	nuggetshooter.com