About: http://webisa.webdatacommons.org/225007321

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	Those states and twenty one others, such as New Hampshire, Connecticut, Vermont, Oklahoma, Nebraska, Delaware, Washington and Utah, operated on more than 20,000 people
http://www.w3.org/ns/prov#wasQuotedFrom	greenbaypressgazette.com