PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = "STREAM"                                              
                                                                              
OBJECT                = TEXT                                                  
   INTERCHANGE_FORMAT = "ASCII"                                               
   PUBLICATION_DATE   = 2007-04-30    /* Peer Review */                       
   NOTE               = "INDEX directory contents"                            
END_OBJECT            = TEXT                                                  
                                                                              
END                                                                           
                                                                              
The INDEX directory includes an ASCII index table that provides               
information about each data file in this volume.  All fields in               
the table are separated by commas, and character fields are enclosed          
in double quotation marks to allow the table to be easily imported            
into spreadsheet programs.                                                    
                                                                              
  INDEX.TAB    - Required index table that identifies the location of         
                 each data file in this volume                                
                                                                              
  INDEX.LBL    - PDS detached label for INDEX.TAB                             
                                                                              
  CHECKSUM.TAB - MD5 checksum for everything in this volume except            
                 this checksum table and its label                            
                                                                              
  CHECKSUM.LBL - Detached PDS label for CHECKSUM.LBL