…ustria Central Zone. PCS_MGI_Austria_East 31293 Deprecated in EPSG, replaced by 31283 MGI (Ferro) / Austria East Zone. PCS_DHDN_Germany_zone_1 31491 Deleted in EPSG, code not re-used as at 2018-05-29, replaced by 5520 DHDN / 3-degree Gauss-Kruger zone 1 PCS_DHDN_Germany_zone_2 31…