About: http://webisa.webdatacommons.org/429376546

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	Limestone is a sedimentary rock composed mostly of calcite (calcium carbonate, CaCO3).
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu