About: http://webisa.webdatacommons.org/439036139

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	powered by sources other than such centers or transformers is not available, the
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov