About: http://webisa.webdatacommons.org/85409493

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	That first flight was a success, but postal officials were not convinced of the need for the more expensive airmail over the cheaper dog sleds.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu