Shaded relief map of the Tritonis Lacus region of Mars (Viking A2 landing site).
Series: Miscellaneous investigations series (Geological Survey (U.S.)) -- map I-1055
Publisher: U.S. Geological Survey
Published: 1977
Place of publication: Reston, VA
Language: eng
Subjects: Mars (Planet) -- Maps, Physical -- Tritonis Lacus Region.
Notes: "Prepared in cooperation with the Jet Propulsion Laboratory, California Institute of Technology for the Langley Research Center, National Aeronautics and Space Administration."

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