About: http://webisa.webdatacommons.org/193751213

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	Swallows are a very indicative family of birds, and today they, like the forests and cultivated lands whose health they indicate, are victims of industrial style ???economic development???.
http://www.w3.org/ns/prov#wasQuotedFrom	everyman.ca