Darwin Core term name: geodeticDatum. The ellipsoid, geodetic datum, or spatial reference system (SRS) upon which the geographic coordinates given in decimalLatitude and decimalLongitude as based. Recommended best practice is use the EPSG code as a controlled vocabulary to provide an SRS, if known. Otherwise use a controlled vocabulary for the name or code of the geodetic datum, if known. Otherwise use a controlled vocabulary for the name or code of the ellipsoid, if known. If none of these is known, use the value "unknown". This property is currently not used.

string GeodeticDatum { get; set; }

Property GeodeticDatum As String
	Get
	Set

property String^ GeodeticDatum {
	String^ get ();
	void set (String^ value);
}

abstract GeodeticDatum : string with get, set