About: http://webisa.webdatacommons.org/214298364

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	They also introduced the practice of building the earthen dikes around large overlapping iron plates, designed to prevent muskrats and other animals from burrowing through and weakening the dikes.
http://www.w3.org/ns/prov#wasQuotedFrom	urbanhabitats.org