<http://webisa.webdatacommons.org/231458170>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nebraskahistory.org> .
<http://webisa.webdatacommons.org/231458170>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/356076054>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/231458170> .
<http://webisa.webdatacommons.org/231458170>	<http://www.w3.org/ns/prov#value>	"75 years, especially in agriculture." .