About: http://webisa.webdatacommons.org/113092471

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	The cross-sectional shape of the channel may be any cross-sectional shape, including but not limited to circular, ellipsoid, rectangular, trapezoidal, square, or combinations of the foregoing shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca