About: http://webisa.webdatacommons.org/408852115

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	During this period, however, effective drainage can hardly be achieved particularly in the heavy soils used in the installations of the type as described without employing an effective drainage system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au