About: http://webisa.webdatacommons.org/182739632

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	Large collapse craters in urban areas or near roads, especially if filled with water, should be fenced with six-foot high heavy-duty steel cyclone-type fencing with barbed-wire canted out on the top.
http://www.w3.org/ns/prov#wasQuotedFrom	ku.edu