Oil and gas exploration and production.
For reverse transformation see ED50 / UTM zone 31N to Amersfoort / RD New (2) (code 6304). Used by NAM until early 2006 when replaced by concatenation of tfms Amersfoort to WGS 84 (2) and WGS 84 to ED50 (18) (tfm codes 1672 and 1311) - see tfm 4837.
Complex polynomial of degree 4
Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
(0,)