Map I-945: Geologic map of the Rima Hyginus region of the Moon
USGS Miscellaneous Investigations Series no. I-945 (Orbiter V, Site 23.1). Prepared by the U.S. Geological Survey in cooperation with the National Aeronautics and Space Administration and the USAF Aeronautical Chart and Information Center. Includes index map, text and bibliographical references. Located in the Lloyd Reeds Map Collection, call no. G 3196.C5 1962 MC75P.