About: http://webisa.webdatacommons.org/378190078

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 many cases, tribal governments hire contractors to assist or manage some operations, such as construction operations, tank monitoring or well sampling, solid waste disposal, or vehicle maintenance.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov