Added proj 19858 and projCRSs 3578-79 and 3761. For areas 3409-3417 extended north limit and added Provinces north of 60 deg. Deprecated areas 1448-49 and 1506-08 and added replacements 3524-28. Deprecated area 2784. For area code 2151 deleted S of 60 from area of use description. For projCRSs 2955-57 and 2960-61 changed area code from 1508-06 and 1448-49 to 3526-28 and 3524-25 respectively. For Datum 6140, conversions 15524-25, CRSs 4617 and 4954-55 and tfms 1842 and 1946, changed area code from 2784 to 1061.