About: http://webisa.webdatacommons.org/276413230

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	This is a survey map of the Southern slave states at the time of the civil war and here is an article about it.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com