<http://webisa.webdatacommons.org/109667506>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/84601735>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/109667506> .
<http://webisa.webdatacommons.org/109667506>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/109667506>	<http://www.w3.org/ns/prov#value>	"Railroads were a key to the expansion of business, agriculture, and industry." .