USGS SIM 3209: Geologic map of MTM -15027, -20027, -25027, and -25032 quadrangles, Margaritifer Terra region of Mars
linkUSGS SIM 3209: Geologic map of MTM -15027, -20027, -25027, and -25032 quadrangles, Margaritifer Terra region of Mars
By R. P. Irwin III and J. A. Grant
Map and associated documents available from the USGS Publications Warehouse: https://doi.org/10.3133/sim3209