About: http://webisa.webdatacommons.org/337452012

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	Relative elevation with HI and HR - When the height of the rod must be changed for visibility or other reasons, the height of the rod and the height of the instrument have to be recorded.
http://www.w3.org/ns/prov#wasQuotedFrom	state.nj.us