About: http://webisa.webdatacommons.org/118351193

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 separation was -28.3 meters mean sea level (MSL) elevation at Manchester, N.H. and used in the 3-D map converted between latitude/longitude and N.H. state plane and other coordinates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com