About: http://webisa.webdatacommons.org/175247287

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	Since the 1890 US Census was mostly destroyed, that 20 year period between 1880 and 1900 Census is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com