PDS_VERSION_ID = PDS3                                                         
RECORD_TYPE    = STREAM                                                       
OBJECT         = TEXT                                                         
  PUBLICATION_DATE = 2000-06-15                                               
  NOTE             = "EXTRINFO.TXT describes the files in the EXTRAS          
                      directory of this disk."                                
END_OBJECT     = TEXT                                                         
END                                                                           
                                                                              
The EXTRAS directory contains files which facilitate the use of the           
data on the disk, but which are not actually required for the use or          
understanding of those data. The main files in the EXTRAS directory           
are HTML documents which can be viewed with a Web browser and used to         
navigate the disk via links. These files include:                             
                                                                              
CATALOG.HTM  - an HTML document with links to CATALOG files                   
                                                                              
DOCUMENT.HTM - an HTML document with links to DOCUMENT files                  
                                                                              
DATA.HTM     - an HTML document with links leading to data files, and to      
               other files relevant to those data                             
                                                                              
TIMELINE.HTM - an HTML document with links leading to timeline files          
                                                                              
DATLIST.HTM  - an HTML document with a detailed list of links to data         
               files.  Intended to be accessed from links in DATA.HTM,        
               but can be accessed separately also.                           
                                                                              
MDRP.HTM     - an HTML document with links to Mission Director Status         
               Report documents.  Intended to be accessed from links          
               in DOCUMENT.HTM, but can be accessed separately also.          
                                                                              
These files may be accessed individually or may be reached from links         
in the HTML file AAREADME.HTM, which is in the root directory of the          
disk.