About: http://webisa.webdatacommons.org/29437438

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	Environmental groups, including the Sierra Club and WildEarth Guardians, filed their lawsuit a year ago, challenging plans by the mine???s operator, Arch Coal, to expand into a section of land beneath the 1,700-acre Sunset Roadless Area.
http://www.w3.org/ns/prov#wasQuotedFrom	gjsentinel.com