Amended abbreviation for projCS 27120 from 'Naparima / UTM 20N' to 'Naparima 1972 / UTM 20N'.  Replaced single geod tfm 1295 with 1555 and geod tfm 8212 with 8555. Added tfm_nonpoly 1556; tfm_path 8345; geod_tfm 8556.