About: http://webisa.webdatacommons.org/75012589

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 channel(s) may be formed by other techniques, including cutting, excavating, etching, molding and cauterizing, as well as other methods known to those skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es