About: http://webisa.webdatacommons.org/246360933

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 following is a quote and graph from the 1938 USDA Yearbook and was written by University of Missouri professor William Albrecht:
http://www.w3.org/ns/prov#wasQuotedFrom	farmlandlp.com