About: http://webisa.webdatacommons.org/147754983

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	The gravel consists of fragments of feldspar, quartz, and some chalcedony, and the sand is made up principally of quartz.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu