About: http://webisa.webdatacommons.org/381817192

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	River modifications, such as dams and irrigation diversions, probably are the most significant factors that affect the quality of the Colorado River system.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov