<http://webisa.webdatacommons.org/prov/368941404>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/194316308> .
<http://webisa.webdatacommons.org/194316308>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msha.gov> .
<http://webisa.webdatacommons.org/194316308>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/15374519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/194316308> .
<http://webisa.webdatacommons.org/194316308>	<http://www.w3.org/ns/prov#value>	"To restore a mine or a part of a mine that has been damaged by explosion, fire, water, or other cause to a working condition. rock dusting." .