FGDL Map Projection Information The projection for FGDL data is as follows, unless otherwise stated in the metadata:
Click here to download ArcGIS 8x Projection File. HPGN and HARN HPGN (High Precision Geodetic Network) and HARN (High Accuracy Reference Network) are synonymous. They are both names for the same project that is focused on readjusting the NAD83 datum to a higher level of accuracy state by state. HARN/ HPGN is more accurate form of the North American Datum. |