About: http://webisa.webdatacommons.org/5388434

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	For basalt and other rock, check with any local retailer of rock supplies.
http://www.w3.org/ns/prov#wasQuotedFrom	philadelphiaweekly.com