PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT NOTE = "Description of the contents of the DOCUMENT directory" PUBLICATION_DATE = 2014-10-22 END_OBJECT = TEXT END CONTENTS OF THE DOCUMENT DIRECTORY The DOCUMENT directory contains documentation and supplementary and ancillary information to assist in understanding and using the data products in this dataset. DOCINFO.TXT This file. Identifies and describes the function of each file in or under the DOCUMENT directory. MODE_CHANGES.TAB A cumulative listing of instrument mode changes since launch. MODE_CHANGES.LBL A PDS detached label describing MODE_CHANGES.TAB. VOLSIS.PDF The SIS in PDF format. VOLSIS.LBL A PDS detached label describing VOLSIS.PDF.