About: http://webisa.webdatacommons.org/208246418

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	The site also has a pathway challenge, ???a series of clues that reveal relationships between photographs, documents, and other records??? available through various different vaults.
http://www.w3.org/ns/prov#wasQuotedFrom	historians.org