About: http://webisa.webdatacommons.org/419606078

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	Letter on controlling dangerous air pollution from natural gas fracking, from NRDC and other organizations to Valerie Jarrett, Senior Advisor to President Obama, April 9, 2012.
http://www.w3.org/ns/prov#wasQuotedFrom	nrdc.org