About: http://webisa.webdatacommons.org/426947997

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	In response to comments, the final rule clarifies that the changes must be ``major.'' A major change is a change which the operator knows or should know is likely to endanger the safety or health of the miner.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov