Document Collection Contents The document collection contains documentation files, where available, for this bundle. 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 ".xml". nafn35066_imglist.txt - nafn35066 Used Images - List of MESSENGER MDIS images used to generate the nafn35066 regional model. nafn36064_imglist.txt - nafn36064 Used Images - List of MESSENGER MDIS images used to generate the nafn36064 regional model. mercurykrnlist.txt - Mercury Kernel List - List of MESSENGER SPICE kernels used to generate the global shape model, as well as the regional models included in this bundle. The order of the kernels in the document is the order in which the kernels were loaded. Hence, if two or more kernels contain data for the same time, the data from the last loaded kernel is used. productdescription.txt - Product Description - Details of the bundle. bundle_description.txt - Bundle description for the mercurial_messenger_mdis_topography_domingue_2022 bundle - A document describing the content and structure of the bundle. ref.txt - Reference List - The reference list for the bundle. AA_Document_Index.txt - Document Index - The file you are reading. collection_mercurial_messenger_mdis_topography_domingue_2022_document_inventory.csv - Collection Inventory - An inventory of document products in this collection.