PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
OBJECT                = TEXT                                                  
  PUBLICATION_DATE    = 2009-04-15                                            
  NOTE                = "Description of the CATALOG directory contents        
                         for the MLA uncalibrated data archive volume."       
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
This subdirectory contains the catalog object files for the entire            
volume. The following files are included in the catalog subdirectory.         
                                                                              
CATINFO.TXT: Description of the contents of this directory (this file).       
                                                                              
MLADATASET.CAT: Describes the general content of the data set and includes    
information about the duration of the mission and the person or group         
responsible for producing the data.                                           
                                                                              
MLAINST.CAT: Describes physical attributes of the MLA instrument and          
provides relevant references to published literature.                         
                                                                              
INSTHOST.CAT: Describes the MESSENGER spacecraft.                             
                                                                              
MISSION.CAT: Describes the scientific goals and objectives of the             
MESSENGER program.                                                            
                                                                              
PERSON.CAT: Lists and provides contact information for the people             
involved with the MLA instrument.                                             
                                                                              
REF.CAT: Provides references to scientific papers and other publications      
of interest to those using the data, both for MLA and the mission as a        
whole.