About: http://webisa.webdatacommons.org/188679215

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	Joseph A. Main, assistant secretary of labor for mine safety and health, said the final rule ???will help prevent another tragedy such as occurred at the Upper Big Branch Mine.
http://www.w3.org/ns/prov#wasQuotedFrom	claimsjournal.com