About: http://webisa.webdatacommons.org/115590324

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 ground. ???Do not set posts in concrete except at corner or temporary gate
http://www.w3.org/ns/prov#wasQuotedFrom	iowadot.gov