About: http://webisa.webdatacommons.org/153015458

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	Stone was a basically stronger material, less porous and more waterproof.
http://www.w3.org/ns/prov#wasQuotedFrom	christchurchphila.org