CGC90 Database

          Please refer to CGC90.DES to find a chronological reference
          of all changes/updates to the CGC90 database since the last
          release.  CGC90.DES also contains a list of fields with their
          corresponding unit of measurement and the record structure
          for the most recent release.  CGC90.QC lists the WOCE QC flags.

          Version A is the latest release of the CGC90 database.