About: http://webisa.webdatacommons.org/8260181

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	The Middle Colonies, particularly Pennsylvania and Maryland, supported large grain growing regions, which paved the way for an entrepreneur like Oliver Evans to invent and patent a machine to make grain grinding easier.
http://www.w3.org/ns/prov#wasQuotedFrom	historytube.org