About: http://webisa.webdatacommons.org/128318060

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	Upright headstones can be made out of various materials such as granite, brownstone, glass or marble.
http://www.w3.org/ns/prov#wasQuotedFrom	supremememorials.com