About: http://webisa.webdatacommons.org/403219574

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	Major sources of siltation have resulted from past logging practices, gravel mining, road construction, housing construction, landfill, and other development activities.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov