About: http://webisa.webdatacommons.org/453524206

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	Currently, an estimated two million dams and other barriers block countless miles of rivers and streams throughout the United States.
http://www.w3.org/ns/prov#wasQuotedFrom	fws.gov