About: http://webisa.webdatacommons.org/90730626

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	Leasing of convicts for work in the mines was begun in 1865, and the competition of these men, who had no influence on their working conditions or pay, was a threat to the free miners.
http://www.w3.org/ns/prov#wasQuotedFrom	ditext.com