About: http://webisa.webdatacommons.org/133903897

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	, North America was unexploited except by Indians, whose numbers never rose much above a million.
http://www.w3.org/ns/prov#wasQuotedFrom	americanheritage.com