About: http://webisa.webdatacommons.org/200961287

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 apparent conclusion to draw from EPA data is that air quality improvements result from regulations such as the 1970 Clean Air Act.
http://www.w3.org/ns/prov#wasQuotedFrom	mackinac.org