About: http://webisa.webdatacommons.org/21712097

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	They are PA State approved for general construction uses such as driveways, drainage areas, septic, concrete base, hardscaping and other applications.
http://www.w3.org/ns/prov#wasQuotedFrom	outdoorgarden-lv.com