About: http://webisa.webdatacommons.org/9883734

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	Construction materials such as brick, tile, plaster, wallboard, and steel are also made with rock-derived ingredients.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu