PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH OBJECT = TEXT PUBLICATION_DATE = 2006-06-28 /* Label Generated */ NOTE = "Description of the contents of the document directory." END_OBJECT = TEXT END "document" Directory Contents The document directory contains documentation files, where available, for the data set in this volume. All document files will have an accompanying label file to describe content and structure. Label files have the same name as the main document file, with an extension of ".lbl". docinfo.txt - The file you are reading. ads.txt - The file sent to Abstract Data Service (ADS). ads.lbl - The label for ads.txt. checksum.tab - A table of checksums for all the data files. checksum.lbl - The label for checksum.tab.