About: http://webisa.webdatacommons.org/232191028

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	Both the design and the materials used in construction, particularly the use of a newly introduced product called Portland cement, were the subject of much debate and discussion by civil engineers of the day.
http://www.w3.org/ns/prov#wasQuotedFrom	hydroworld.com