PDS_VERSION_ID                = PDS3                                          
RECORD_TYPE                   = FIXED_LENGTH                                  
RECORD_BYTES                  = 80                                            
OBJECT                        = TEXT                                          
  PUBLICATION_DATE            = 1998-07-31                                    
  NOTE                        = "Description of the DOCUMENT directory        
                                 contents for the Viking Lander rock          
                                 distribution archive"                        
END_OBJECT                    = TEXT                                          
END                                                                           
                                                                              
                                                                              
     The DOCUMENT directory contains two files:                               
                                                                              
DOCINFO.TXT    This file; a brief description of the contents of the          
               DOCUMENT directory.                                            
                                                                              
KEYWORDS.TXT   Keywords used in this archival data set and their              
               definitions from the PDS Data Dictionary.                      
                                                                              
VLRCKSIS.TXT   Software Interface Specification (SIS) for the archival        
               data set.