CGC91 Database

          Please refer to CGC91.DES to find a chronological reference
          of all changes/updates to the CGC91 database since the last
          release.  CGC91.DES also contains a list of fields with their
          corresponding unit of measurement and the record structure
          for the most recent release.  CGC91.QC lists the WOCE QC flags.

          Version A is the latest release of the CGC91 database.