PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 80 OBJECT = TEXT PUBLICATION_DATE = 2004-07-08 NOTE = "This file describes the contents of this directory." 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 'SPICE' directory contains SPICE kernels used in the production of the data contained on this volume.