About: http://webisa.webdatacommons.org/217863232

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	It started in the late sixties, but it was probably 1980 before the labor force was mostly Mexicans.
http://www.w3.org/ns/prov#wasQuotedFrom	sdcoe.k12.ca.us