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• 2011-04-22 13:45 Schaffman 1264×1052× (134940 bytes) {{Information |Description = CRISM Spectral Signature of Gypsum in Olympia Undae, Mars |Source = NASA Photojournal: http://photojournal.jpl.nasa.gov/catalog/PIA10948 |Date = ~~~~~ |Author = NASA/JPL/JHUAPL/ASU |Permissio