About: http://webisa.webdatacommons.org/361549484

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	Then, on September 15, 1857, one of the nine bidders, 56 year old John Butterfield of the John Butterfield Company was awarded the mail contract by congress.
http://www.w3.org/ns/prov#wasQuotedFrom	frontiertrails.com