About: http://webisa.webdatacommons.org/29682940

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 addition, a myriad of other challenges still need to be addressed, including dealing with millions of tons of contaminated earth and other materials, mapping the affected areas, and determining the most effective remediation measures.
http://www.w3.org/ns/prov#wasQuotedFrom	heritage.org