About: http://webisa.webdatacommons.org/388994361

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	defenses such as barriers and silt traps were constantly reviewed to protect the integrity of the water quality.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com