NAD83(HARN) / Massachusetts Mainland 2805 NAD83(HARN) 4152 ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east NAD83_High_Accuracy_Regional_Network 6152 Greenwich 8901 0 GRS 1980 7019 6378137 298.257222101 Cartesian 4400 Easting 9906 E east Northing 9907 N north