<http://webisa.webdatacommons.org/236674234>	<http://www.w3.org/ns/prov#value>	"May 14: Engineers open a portion of the Morganza Spillway to relieve pressure on levees along the Mississippi River and to protect New Orleans and other areas downriver from flooding." .
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<http://webisa.webdatacommons.org/236674234>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<factmonster.com> .