About: http://webisa.webdatacommons.org/194929559

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	Iron was an essential material in the agricultural colonies and industrializing nation.
http://www.w3.org/ns/prov#wasQuotedFrom	explorepahistory.com