<http://webisa.webdatacommons.org/286103821>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/491643828>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/286103821> .
<http://webisa.webdatacommons.org/prov/169168226>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/286103821> .
<http://webisa.webdatacommons.org/286103821>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mackinac.org> .
<http://webisa.webdatacommons.org/286103821>	<http://www.w3.org/ns/prov#value>	"Decreases in crops such as rice and cotton became large enough in" .