About: http://webisa.webdatacommons.org/38671467

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 underground supply began to influence surface events only when it came on line for irrigation through a combination of new pumping technologies and energy resources after World War Two, mostly beginning in the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom	ksu.edu