About: http://webisa.webdatacommons.org/142884757

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	Although not museums, many states such as Arkansas, Maryland, and Missouri preserve sites such as the Underground Railroad and slavery camps.
http://www.w3.org/ns/prov#wasQuotedFrom	blacknews.com