About: http://webisa.webdatacommons.org/316328302

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	Mayhew, in Mayhew's London, published in 1851, distinguishes between lighters and barges, claiming that the latter were larger and heavier and used mainly for carrying coal.
http://www.w3.org/ns/prov#wasQuotedFrom	barbsweb.co.uk