About: http://webisa.webdatacommons.org/61311688

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	There was a mining boom in the mid 19th century, first with copper and then with arsenic and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	nationaltrust.org.uk