About: http://webisa.webdatacommons.org/156605641

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	Relatively soluble rock, such as limestone, though originally dense, may become cavernous as a result of the removal of part of its substance by the solvent action of percolating water.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu