About: http://webisa.webdatacommons.org/416719056

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	For years, sand and gravel pits and some other kinds of mines were exempt from enforcement of safety and health training requirements but that is about to change.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov