About: http://webisa.webdatacommons.org/199466158

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	Some mysteries remain, such as the fact that the white adults were outnumbered three to one by their slaves, and they had to cross at least a piece of free soil in Illinois in order to cross the Mississippi at Cape Girardeau.
http://www.w3.org/ns/prov#wasQuotedFrom	afrigeneas.com