About: http://webisa.webdatacommons.org/433843078

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	Miners, performing duties that require them to travel or work alone, such as pumpers or fire bosses, should be required to contact a responsible person periodically and inform them of where they are and where they are going.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov