About: http://webisa.webdatacommons.org/329210052

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	underlying limestone or other soluble rocks and the collapse of the overlying surficial material into
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com