High resolution Mariner 9 pictures in the Cydonia region of Mars [cartographic material] : (vicinity of the Viking Mars 1975 Spacecraft 2 landing site) M 250K 44/10 CM.
Marginal maps: Quadrangle location -- Map of the Mare Acidalium quadrangle -- Index to Mariner 9 pictures. Includes text with bibliography. "Prepared in cooperation with the Jet Propulsion Laboratory, California Institute of Technology, for the Langley Research Center, National Aeronautics and Space Administration."