About: http://webisa.webdatacommons.org/81054184

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	Cooperative reclamation efforts (by the TVA, the Natural Resources Conservation Service, copper companies, and other Federal and State agencies) started in the 1930s and continue today.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov