About: http://webisa.webdatacommons.org/392019178

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	A relatively large workforce would be needed, the work would be grueling and the mortality rate would probably be high due to accidents, overwork and other causes.
http://www.w3.org/ns/prov#wasQuotedFrom	anomalies.net