About: http://webisa.webdatacommons.org/268394677

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	quarries of stone, pits of coal, and mines of lead, copper and other minerals
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org