<http://webisa.webdatacommons.org/338727022>	<http://www.w3.org/ns/prov#value>	"The Clean Air Act indirectly, but more significantly, affects the U.S. coal industry by extensively regulating the air emissions of sulfur dioxide, nitrogen oxides, mercury, PM and other substances emitted by coal-fueled electricity generating plants." .
<http://webisa.webdatacommons.org/prov/335846215>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338727022> .
<http://webisa.webdatacommons.org/prov/98045593>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338727022> .
<http://webisa.webdatacommons.org/prov/317098188>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/338727022> .
<http://webisa.webdatacommons.org/338727022>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/338727022>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<marketplace.org> .