Viking Orbiter Imaging Bundle

This bundle contains imaging products created from data taken by the
Viking Orbiter (VO) 1 and 2 Visual Imaging Subsystems (VIS).
It is a concatenated, reformatted, PDS4-compliant version of all
observational data in the PDS Imaging Node (IMG) VO holdings, along with
browse products and supporting documentation.

Please see primary_bundle_documentation.md in the document collection for a
complete description of this bundle's contents.